From 3220af737c3a72bd6a2a3c5ccc87e81c983a1efd Mon Sep 17 00:00:00 2001
From: Erik Ziegler <erik.sweed@gmail.com>
Date: Mon, 26 Jul 2021 13:22:25 +0200
Subject: [PATCH] fix(tailwind): Ensure tailwind properly purges unused utility
 classes (#2485)

---
 .webpack/rules/cssToJavaScript.js             |  16 +-
 .webpack/webpack.base.js                      |  16 +-
 .../src/ViewportLoadingIndicator.js           |   6 +-
 extensions/cornerstone/src/ViewportOverlay.js |  28 +-
 .../dicom-sr/src/viewports/ViewportOverlay.js |   8 +-
 .../src/viewports/ViewportLoadingIndicator.js |   6 +-
 .../src/viewports/ViewportOverlay.js          |  28 +-
 package.json                                  |  10 +-
 .../components/ExpandableToolbarButton.mdx    |   2 +-
 .../component-library/components/ListMenu.mdx |   2 +-
 platform/docs/pluginOHIFWebpackConfig.js      |   4 +-
 platform/docs/tailwind.config.js              |  12 +-
 platform/ui/.webpack/webpack.prod.js          |  18 +-
 platform/ui/package.json                      |   1 +
 platform/ui/postcss.config.js                 |   7 -
 .../ui/src/components/DateRange/DateRange.css |   4 +-
 .../src/components/InputGroup/InputGroup.jsx  |   3 +-
 .../ui/src/components/SidePanel/SidePanel.jsx |   8 +-
 .../StudyListTable/StudyListTableRow.js       |   4 +-
 .../WindowLevelMenuItem.jsx                   |   2 +-
 platform/ui/src/tailwind.css                  |   8 +-
 platform/ui/src/utils/getGridWidthClass.js    |  35 +
 platform/ui/tailwind.config.js                |  12 +-
 platform/viewer/.webpack/webpack.pwa.js       |  22 +-
 platform/viewer/package.json                  |   9 +-
 .../viewer/public/html-templates/index.html   |   4 +-
 .../viewer/public/html-templates/rollbar.html |   4 +-
 .../public/html-templates/script-tag.html     |  42 -
 platform/viewer/src/index.js                  |   1 -
 .../viewer/src/routes/DataSourceWrapper.jsx   |   9 +-
 platform/viewer/tailwind.config.js            | 838 ++++++++++++++++++
 platform/viewer/tailwind.css                  |   4 +
 yarn.lock                                     |  98 +-
 33 files changed, 1028 insertions(+), 243 deletions(-)
 delete mode 100644 platform/ui/postcss.config.js
 create mode 100644 platform/ui/src/utils/getGridWidthClass.js
 delete mode 100644 platform/viewer/public/html-templates/script-tag.html
 create mode 100644 platform/viewer/tailwind.config.js
 create mode 100644 platform/viewer/tailwind.css

diff --git a/.webpack/rules/cssToJavaScript.js b/.webpack/rules/cssToJavaScript.js
index 5d4d55d33..24d44e803 100644
--- a/.webpack/rules/cssToJavaScript.js
+++ b/.webpack/rules/cssToJavaScript.js
@@ -1,14 +1,26 @@
 const autoprefixer = require('autoprefixer');
+const path = require('path');
+const tailwindcss = require('tailwindcss');
+const tailwindConfigPath = path.resolve('tailwind.config.js');
+const MiniCssExtractPlugin = require('mini-css-extract-plugin');
+const devMode = process.env.NODE_ENV !== 'production';
 
 const cssToJavaScript = {
   test: /\.css$/,
   use: [
-    'style-loader',
+    //'style-loader',
+    devMode ? 'style-loader' : MiniCssExtractPlugin.loader,
     { loader: 'css-loader', options: { importLoaders: 1 } },
     {
       loader: 'postcss-loader',
       options: {
-        plugins: () => [autoprefixer('last 2 version', 'ie >= 11')],
+        postcssOptions: {
+          verbose: true,
+          plugins: [
+            [tailwindcss(tailwindConfigPath)],
+            [autoprefixer('last 2 version', 'ie >= 11')],
+          ],
+        },
       },
     },
   ],
diff --git a/.webpack/webpack.base.js b/.webpack/webpack.base.js
index 9f960dbfc..b37f3405d 100644
--- a/.webpack/webpack.base.js
+++ b/.webpack/webpack.base.js
@@ -8,10 +8,13 @@ const PACKAGE = require('../platform/viewer/package.json');
 const loadShadersRule = require('./rules/loadShaders.js');
 const loadWebWorkersRule = require('./rules/loadWebWorkers.js');
 const transpileJavaScriptRule = require('./rules/transpileJavaScript.js');
+const cssToJavaScript = require('./rules/cssToJavaScript.js');
 // ~~ PLUGINS
 const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
   .BundleAnalyzerPlugin;
 const TerserJSPlugin = require('terser-webpack-plugin');
+const MiniCssExtractPlugin = require('mini-css-extract-plugin');
+
 // ~~ ENV VARS
 const NODE_ENV = process.env.NODE_ENV;
 const QUICK_BUILD = process.env.QUICK_BUILD;
@@ -62,6 +65,7 @@ module.exports = (env, argv, { SRC_DIR, DIST_DIR }) => {
             fullySpecified: false,
           },
         },
+        cssToJavaScript,
       ],
     },
     resolve: {
@@ -117,11 +121,6 @@ module.exports = (env, argv, { SRC_DIR, DIST_DIR }) => {
       // Uncomment to generate bundle analyzer
       // new BundleAnalyzerPlugin(),
     ],
-    // Fix: https://github.com/webpack-contrib/css-loader/issues/447#issuecomment-285598881
-    // For issue in cornerstone-wado-image-loader
-    /*node: {
-      fs: 'empty',
-    },*/
   };
 
   if (isProdBuild) {
@@ -131,6 +130,13 @@ module.exports = (env, argv, { SRC_DIR, DIST_DIR }) => {
         terserOptions: {},
       }),
     ];
+
+    /*config.plugins.push(
+      new MiniCssExtractPlugin({
+        filename: 'dist/[name].bundle.css',
+        chunkFilename: 'dist/[id].css',
+      })
+    );*/
   }
 
   if (isQuickBuild) {
diff --git a/extensions/cornerstone/src/ViewportLoadingIndicator.js b/extensions/cornerstone/src/ViewportLoadingIndicator.js
index 46b6c7f72..2030d0d23 100644
--- a/extensions/cornerstone/src/ViewportLoadingIndicator.js
+++ b/extensions/cornerstone/src/ViewportLoadingIndicator.js
@@ -7,7 +7,7 @@ const ViewportLoadingIndicator = ({ error }) => {
     return (
       <>
         <div className="bg-black h-full w-full absolute opacity-50"></div>
-        <div className="text-primary-light text-xl font-thin">
+        <div className="text-primary-light text-xl font-light">
           <h4>Error Loading Image</h4>
           <p>An error has occurred.</p>
           <p>{error.message}</p>
@@ -20,9 +20,7 @@ const ViewportLoadingIndicator = ({ error }) => {
     <>
       <div className="bg-black h-full w-full absolute opacity-50"></div>
       <div className="absolute transparent w-full h-full flex items-center justify-center">
-        <p className="text-primary-light text-xl font-thin">
-          Loading...
-      </p>
+        <p className="text-primary-light text-xl font-light">Loading...</p>
       </div>
     </>
   );
diff --git a/extensions/cornerstone/src/ViewportOverlay.js b/extensions/cornerstone/src/ViewportOverlay.js
index af93a2dd7..b3f7e31de 100644
--- a/extensions/cornerstone/src/ViewportOverlay.js
+++ b/extensions/cornerstone/src/ViewportOverlay.js
@@ -32,36 +32,48 @@ const ViewportOverlay = ({
 
   return (
     <div className="text-primary-light">
-      <div data-cy={"viewport-overlay-top-left"} className={classnames(overlay, topLeft)}>
+      <div
+        data-cy={'viewport-overlay-top-left'}
+        className={classnames(overlay, topLeft)}
+      >
         {isZoomActive && (
           <div className="flex flex-row">
             <span className="mr-1">Zoom:</span>
-            <span className="font-thin">{scale.toFixed(2)}x</span>
+            <span className="font-light">{scale.toFixed(2)}x</span>
           </div>
         )}
         {isWwwcActive && (
           <div className="flex flex-row">
             <span className="mr-1">W:</span>
-            <span className="ml-1 mr-2 font-thin">
+            <span className="ml-1 mr-2 font-light">
               {windowWidth.toFixed(0)}
             </span>
             <span className="mr-1">L:</span>
-            <span className="ml-1 font-thin">{windowCenter.toFixed(0)}</span>
+            <span className="ml-1 font-light">{windowCenter.toFixed(0)}</span>
           </div>
         )}
       </div>
-      <div data-cy={"viewport-overlay-top-right"} className={classnames(overlay, topRight)}>
+      <div
+        data-cy={'viewport-overlay-top-right'}
+        className={classnames(overlay, topRight)}
+      >
         {stackSize > 1 && (
           <div className="flex flex-row">
             <span className="mr-1">I:</span>
-            <span className="font-thin">
+            <span className="font-light">
               {`${instanceNumber} (${imageIndex}/${stackSize})`}
             </span>
           </div>
         )}
       </div>
-      <div data-cy={"viewport-overlay-bottom-right"} className={classnames(overlay, bottomRight)}></div>
-      <div data-cy={"viewport-overlay-bottom-left"} className={classnames(overlay, bottomLeft)}></div>
+      <div
+        data-cy={'viewport-overlay-bottom-right'}
+        className={classnames(overlay, bottomRight)}
+      ></div>
+      <div
+        data-cy={'viewport-overlay-bottom-left'}
+        className={classnames(overlay, bottomLeft)}
+      ></div>
     </div>
   );
 };
diff --git a/extensions/dicom-sr/src/viewports/ViewportOverlay.js b/extensions/dicom-sr/src/viewports/ViewportOverlay.js
index 8ca11f8c8..045770d90 100644
--- a/extensions/dicom-sr/src/viewports/ViewportOverlay.js
+++ b/extensions/dicom-sr/src/viewports/ViewportOverlay.js
@@ -35,17 +35,17 @@ const ViewportOverlay = ({
         {isZoomActive && (
           <div className="flex flex-row">
             <span className="mr-1">Zoom:</span>
-            <span className="font-thin">{scale.toFixed(2)}x</span>
+            <span className="font-light">{scale.toFixed(2)}x</span>
           </div>
         )}
         {isWwwcActive && (
           <div className="flex flex-row">
             <span className="mr-1">W:</span>
-            <span className="ml-1 mr-2 font-thin">
+            <span className="ml-1 mr-2 font-light">
               {windowWidth.toFixed(0)}
             </span>
             <span className="mr-1">L:</span>
-            <span className="ml-1 font-thin">{windowCenter.toFixed(0)}</span>
+            <span className="ml-1 font-light">{windowCenter.toFixed(0)}</span>
           </div>
         )}
       </div>
@@ -53,7 +53,7 @@ const ViewportOverlay = ({
         {stackSize > 1 && (
           <div className="flex flex-row">
             <span className="mr-1">I:</span>
-            <span className="font-thin">
+            <span className="font-light">
               {`${instanceNumber} (${imageIndex}/${stackSize})`}
             </span>
           </div>
diff --git a/extensions/measurement-tracking/src/viewports/ViewportLoadingIndicator.js b/extensions/measurement-tracking/src/viewports/ViewportLoadingIndicator.js
index 46b6c7f72..2030d0d23 100644
--- a/extensions/measurement-tracking/src/viewports/ViewportLoadingIndicator.js
+++ b/extensions/measurement-tracking/src/viewports/ViewportLoadingIndicator.js
@@ -7,7 +7,7 @@ const ViewportLoadingIndicator = ({ error }) => {
     return (
       <>
         <div className="bg-black h-full w-full absolute opacity-50"></div>
-        <div className="text-primary-light text-xl font-thin">
+        <div className="text-primary-light text-xl font-light">
           <h4>Error Loading Image</h4>
           <p>An error has occurred.</p>
           <p>{error.message}</p>
@@ -20,9 +20,7 @@ const ViewportLoadingIndicator = ({ error }) => {
     <>
       <div className="bg-black h-full w-full absolute opacity-50"></div>
       <div className="absolute transparent w-full h-full flex items-center justify-center">
-        <p className="text-primary-light text-xl font-thin">
-          Loading...
-      </p>
+        <p className="text-primary-light text-xl font-light">Loading...</p>
       </div>
     </>
   );
diff --git a/extensions/measurement-tracking/src/viewports/ViewportOverlay.js b/extensions/measurement-tracking/src/viewports/ViewportOverlay.js
index af93a2dd7..b3f7e31de 100644
--- a/extensions/measurement-tracking/src/viewports/ViewportOverlay.js
+++ b/extensions/measurement-tracking/src/viewports/ViewportOverlay.js
@@ -32,36 +32,48 @@ const ViewportOverlay = ({
 
   return (
     <div className="text-primary-light">
-      <div data-cy={"viewport-overlay-top-left"} className={classnames(overlay, topLeft)}>
+      <div
+        data-cy={'viewport-overlay-top-left'}
+        className={classnames(overlay, topLeft)}
+      >
         {isZoomActive && (
           <div className="flex flex-row">
             <span className="mr-1">Zoom:</span>
-            <span className="font-thin">{scale.toFixed(2)}x</span>
+            <span className="font-light">{scale.toFixed(2)}x</span>
           </div>
         )}
         {isWwwcActive && (
           <div className="flex flex-row">
             <span className="mr-1">W:</span>
-            <span className="ml-1 mr-2 font-thin">
+            <span className="ml-1 mr-2 font-light">
               {windowWidth.toFixed(0)}
             </span>
             <span className="mr-1">L:</span>
-            <span className="ml-1 font-thin">{windowCenter.toFixed(0)}</span>
+            <span className="ml-1 font-light">{windowCenter.toFixed(0)}</span>
           </div>
         )}
       </div>
-      <div data-cy={"viewport-overlay-top-right"} className={classnames(overlay, topRight)}>
+      <div
+        data-cy={'viewport-overlay-top-right'}
+        className={classnames(overlay, topRight)}
+      >
         {stackSize > 1 && (
           <div className="flex flex-row">
             <span className="mr-1">I:</span>
-            <span className="font-thin">
+            <span className="font-light">
               {`${instanceNumber} (${imageIndex}/${stackSize})`}
             </span>
           </div>
         )}
       </div>
-      <div data-cy={"viewport-overlay-bottom-right"} className={classnames(overlay, bottomRight)}></div>
-      <div data-cy={"viewport-overlay-bottom-left"} className={classnames(overlay, bottomLeft)}></div>
+      <div
+        data-cy={'viewport-overlay-bottom-right'}
+        className={classnames(overlay, bottomRight)}
+      ></div>
+      <div
+        data-cy={'viewport-overlay-bottom-left'}
+        className={classnames(overlay, bottomLeft)}
+      ></div>
     </div>
   );
 };
diff --git a/package.json b/package.json
index e896687f8..b14301514 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,6 @@
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-react": "7.x",
     "eslint-plugin-react-hooks": "4.2.0",
-    "extract-css-chunks-webpack-plugin": "^4.9.0",
     "html-webpack-plugin": "^5.3.2",
     "husky": "^3.0.0",
     "jest": "^24.8.0",
@@ -99,11 +98,12 @@
     "jest-junit": "^6.4.0",
     "lerna": "^3.15.0",
     "lint-staged": "^9.0.2",
+    "mini-css-extract-plugin": "^2.1.0",
     "optimize-css-assets-webpack-plugin": "^5.0.3",
-    "postcss": "^8.2.15",
-    "postcss-import": "^12.0.1",
-    "postcss-loader": "^4.0.3",
-    "postcss-preset-env": "^6.6.0",
+    "postcss": "^8.3.5",
+    "postcss-import": "^14.0.2",
+    "postcss-loader": "^6.1.1",
+    "postcss-preset-env": "^6.7.0",
     "prettier": "^1.18.2",
     "react-hot-loader": "^4.13.0",
     "serve": "^11.1.0",
diff --git a/platform/docs/docs/platform/component-library/components/ExpandableToolbarButton.mdx b/platform/docs/docs/platform/component-library/components/ExpandableToolbarButton.mdx
index c410d512f..44c3728a0 100644
--- a/platform/docs/docs/platform/component-library/components/ExpandableToolbarButton.mdx
+++ b/platform/docs/docs/platform/component-library/components/ExpandableToolbarButton.mdx
@@ -56,7 +56,7 @@ function() {
             <span
               className={classnames(
                 isActive ? 'text-black' : 'text-aqua-pale',
-                'font-thin text-sm'
+                'font-light text-sm'
               )}
             >
               {subtitle}
diff --git a/platform/docs/docs/platform/component-library/components/ListMenu.mdx b/platform/docs/docs/platform/component-library/components/ListMenu.mdx
index 518c29947..0e44cc95d 100644
--- a/platform/docs/docs/platform/component-library/components/ListMenu.mdx
+++ b/platform/docs/docs/platform/component-library/components/ListMenu.mdx
@@ -56,7 +56,7 @@ function() {
             <span
               className={classnames(
                 isActive ? 'text-black' : 'text-aqua-pale',
-                'font-thin text-sm'
+                'font-light text-sm'
               )}
             >
               {subtitle}
diff --git a/platform/docs/pluginOHIFWebpackConfig.js b/platform/docs/pluginOHIFWebpackConfig.js
index e1ec7ae4c..ef8138917 100644
--- a/platform/docs/pluginOHIFWebpackConfig.js
+++ b/platform/docs/pluginOHIFWebpackConfig.js
@@ -21,7 +21,7 @@ module.exports = function(context, options) {
         },
       };
     },
-    /*configurePostCss(postcssOptions) {
+    configurePostCss(postcssOptions) {
       postcssOptions.plugins.push(
         require('postcss-import'),
         require('tailwindcss'),
@@ -33,6 +33,6 @@ module.exports = function(context, options) {
         })
       );
       return postcssOptions;
-    },*/
+    },
   };
 };
diff --git a/platform/docs/tailwind.config.js b/platform/docs/tailwind.config.js
index 6c4d20d6a..7d6f035ba 100644
--- a/platform/docs/tailwind.config.js
+++ b/platform/docs/tailwind.config.js
@@ -2,8 +2,14 @@ module.exports = {
   prefix: '',
   important: false,
   separator: ':',
-  purge: false,
-  //purge: ['./docs/**/*.jsx', './docs/**/*.mdx'],
+  purge: {
+    content: [
+      './docs/**/*.jsx',
+      './docs/**/*.mdx',
+      './node_modules/@ohif/ui/src/**/*.{js,jsx,css}',
+      '../../node_modules/@ohif/ui/src/**/*.{js,jsx,css}',
+    ],
+  },
   theme: {
     screens: {
       sm: '640px',
@@ -749,7 +755,7 @@ module.exports = {
     ],
     borderRadius: ['responsive', 'focus', 'first', 'last'],
     borderStyle: ['responsive', 'focus'],
-    //borderWidth: ['responsive', 'focus', 'first', 'last'],
+    borderWidth: ['responsive', 'focus', 'first', 'last'],
     boxShadow: ['responsive', 'hover', 'focus'],
     boxSizing: ['responsive'],
     cursor: ['responsive'],
diff --git a/platform/ui/.webpack/webpack.prod.js b/platform/ui/.webpack/webpack.prod.js
index 4d4be6d1a..32d99604c 100644
--- a/platform/ui/.webpack/webpack.prod.js
+++ b/platform/ui/.webpack/webpack.prod.js
@@ -24,8 +24,8 @@ module.exports = (env, argv) => {
       warnings: true,
     },
     optimization: {
-      minimize: true,
-      sideEffects: true,
+      minimize: false,
+      sideEffects: false,
     },
     output: {
       path: ROOT_DIR,
@@ -34,22 +34,8 @@ module.exports = (env, argv) => {
       filename: pkg.main,
     },
     externals: {
-      '@ohif/core': {
-        commonjs: '@ohif/core',
-        commonjs2: '@ohif/core',
-        amd: '@ohif/core',
-        root: '@ohif/core',
-      },
       react: 'React',
       'react-dom': 'ReactDOM',
     },
-    module: {
-      rules: [
-        {
-          test: /\.css$/i,
-          use: ['style-loader', 'css-loader', 'postcss-loader'],
-        },
-      ],
-    },
   });
 };
diff --git a/platform/ui/package.json b/platform/ui/package.json
index 7ae7aa8b4..db9f6361c 100644
--- a/platform/ui/package.json
+++ b/platform/ui/package.json
@@ -45,6 +45,7 @@
   },
   "devDependencies": {
     "autoprefixer": "9.7.4",
+    "mini-css-extract-plugin": "^2.1.0",
     "postcss": "^8.3.5",
     "postcss-loader": "^6.1.1",
     "prop-types": "15.7.2",
diff --git a/platform/ui/postcss.config.js b/platform/ui/postcss.config.js
deleted file mode 100644
index fdc99eb8c..000000000
--- a/platform/ui/postcss.config.js
+++ /dev/null
@@ -1,7 +0,0 @@
-const path = require('path');
-const tailwindcss = require('tailwindcss');
-const tailwindConfigPath = path.join(__dirname, 'tailwind.config.js');
-
-module.exports = {
-  plugins: [tailwindcss(tailwindConfigPath), require('autoprefixer')],
-};
diff --git a/platform/ui/src/components/DateRange/DateRange.css b/platform/ui/src/components/DateRange/DateRange.css
index af8768f73..f310fb167 100644
--- a/platform/ui/src/components/DateRange/DateRange.css
+++ b/platform/ui/src/components/DateRange/DateRange.css
@@ -1,5 +1,5 @@
-.DateRangePicker {
-}
+/*@tailwind base;
+@tailwind utilities;*/
 
 /** CONTAINER STYLES **/
 
diff --git a/platform/ui/src/components/InputGroup/InputGroup.jsx b/platform/ui/src/components/InputGroup/InputGroup.jsx
index 850120ee5..5a14eb78f 100644
--- a/platform/ui/src/components/InputGroup/InputGroup.jsx
+++ b/platform/ui/src/components/InputGroup/InputGroup.jsx
@@ -1,6 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import classnames from 'classnames';
+import getGridWidthClass from '../../utils/getGridWidthClass'
 
 import {
   InputText,
@@ -132,7 +133,7 @@ const InputGroup = ({
               key={inputMeta.name}
               className={classnames(
                 'pl-4 first:pl-12',
-                `w-${inputMeta.gridCol}/24`
+                getGridWidthClass(inputMeta.gridCol)
               )}
             >
               {renderFieldInputComponent(inputMeta)}
diff --git a/platform/ui/src/components/SidePanel/SidePanel.jsx b/platform/ui/src/components/SidePanel/SidePanel.jsx
index e2d0966e1..35a7e82f9 100644
--- a/platform/ui/src/components/SidePanel/SidePanel.jsx
+++ b/platform/ui/src/components/SidePanel/SidePanel.jsx
@@ -31,12 +31,12 @@ const baseClasses =
 
 const classesMap = {
   open: {
-    left: `border-r-${borderSize}`,
-    right: `border-l-${borderSize}`,
+    left: `border-r-4`,
+    right: `border-l-4`,
   },
   closed: {
-    left: `border-r-${borderSize} items-end`,
-    right: `border-l-${borderSize} items-start`,
+    left: `border-r-4 items-end`,
+    right: `border-l-4 items-start`,
   },
 };
 
diff --git a/platform/ui/src/components/StudyListTable/StudyListTableRow.js b/platform/ui/src/components/StudyListTable/StudyListTableRow.js
index 786cc2539..ed900c7f7 100644
--- a/platform/ui/src/components/StudyListTable/StudyListTableRow.js
+++ b/platform/ui/src/components/StudyListTable/StudyListTableRow.js
@@ -2,6 +2,7 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import classnames from 'classnames';
 import { Icon } from '../';
+import getGridWidthClass from '../../utils/getGridWidthClass';
 
 const StudyListTableRow = props => {
   const { tableData } = props;
@@ -36,14 +37,13 @@ const StudyListTableRow = props => {
                 >
                   {row.map((cell, index) => {
                     const { content, title, gridCol } = cell;
-
                     return (
                       <td
                         key={index}
                         className={classnames(
                           'px-4 py-2 text-base truncate',
                           { 'border-b border-secondary-light': !isExpanded },
-                          `w-${gridCol}/24` || ''
+                          getGridWidthClass(gridCol) || ''
                         )}
                         style={{
                           maxWidth: 0,
diff --git a/platform/ui/src/components/WindowLevelMenuItem/WindowLevelMenuItem.jsx b/platform/ui/src/components/WindowLevelMenuItem/WindowLevelMenuItem.jsx
index 348313c84..b4ab50691 100644
--- a/platform/ui/src/components/WindowLevelMenuItem/WindowLevelMenuItem.jsx
+++ b/platform/ui/src/components/WindowLevelMenuItem/WindowLevelMenuItem.jsx
@@ -12,7 +12,7 @@ const WindowLevelMenuItem = ({ title, subtitle, isSelected, index }) => (
       <span className='text-common-bright mr-2 text-base whitespace-no-wrap'>
         {title}
       </span>
-      <span className='flex-1 text-aqua-pale font-thin text-sm whitespace-no-wrap'>
+      <span className='flex-1 text-aqua-pale font-light text-sm whitespace-no-wrap'>
         {subtitle}
       </span>
       <span className='text-primary-active ml-5 text-sm whitespace-no-wrap'>{index + 1}</span>
diff --git a/platform/ui/src/tailwind.css b/platform/ui/src/tailwind.css
index 4772a6cf1..d4441ed9a 100644
--- a/platform/ui/src/tailwind.css
+++ b/platform/ui/src/tailwind.css
@@ -1,11 +1,11 @@
+/* IMPORT CUSTOM FONT */
+@import url('https://fonts.googleapis.com/css?family=Lato:100,300,400,500,700&display=swap');
+
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
 
-/* IMPORT CUSTOM FONT */
-@import url('https://fonts.googleapis.com/css?family=Lato:100,300,400,500,700&display=swap');
-
-/* Trincate 2 lines utility */
+/* Truncate 2 lines utility */
 .truncate-2-lines {
   overflow: hidden;
   display: -webkit-box;
diff --git a/platform/ui/src/utils/getGridWidthClass.js b/platform/ui/src/utils/getGridWidthClass.js
new file mode 100644
index 000000000..bc1e00c9a
--- /dev/null
+++ b/platform/ui/src/utils/getGridWidthClass.js
@@ -0,0 +1,35 @@
+// This is really annoying, but we can't use string concatenation to produce names
+// or the purger will purge stuff we need. This is a lazy workaground.
+// The alternative would be to use the safelist, but then we would have to remember
+// which components which entry in the safelist are used for.
+// https://tailwindcss.com/docs/optimizing-for-production
+export default function getGridWidthClass(gridCol) {
+  const widthClasses = {
+    1: 'w-1-24',
+    2: 'w-2-24',
+    3: 'w-3-24',
+    4: 'w-4-24',
+    5: 'w-5-24',
+    6: 'w-6-24',
+    7: 'w-7-24',
+    8: 'w-8-24',
+    9: 'w-9-24',
+    10: 'w-10-24',
+    11: 'w-11-24',
+    12: 'w-12-24',
+    13: 'w-13-24',
+    14: 'w-14-24',
+    15: 'w-15-24',
+    16: 'w-16-24',
+    17: 'w-17-24',
+    18: 'w-18-24',
+    19: 'w-19-24',
+    20: 'w-20-24',
+    21: 'w-21-24',
+    22: 'w-22-24',
+    23: 'w-23-24',
+    24: 'w-24-24',
+  };
+
+  return widthClasses[gridCol];
+}
diff --git a/platform/ui/tailwind.config.js b/platform/ui/tailwind.config.js
index 6e61bd204..c85ca4d19 100644
--- a/platform/ui/tailwind.config.js
+++ b/platform/ui/tailwind.config.js
@@ -2,8 +2,10 @@ module.exports = {
   prefix: '',
   important: false,
   separator: ':',
-  purge: false, // TODO: unclear how we should purge when using a component library in another app
-  //purge: ['./src/**/*.jsx', './src/**/*.js'],
+  purge: {
+    content: ['./src/**/*.{jsx,js,css}'],
+    safelist: [],
+  },
   theme: {
     screens: {
       sm: '640px',
@@ -749,7 +751,7 @@ module.exports = {
     ],
     borderRadius: ['responsive', 'focus', 'first', 'last'],
     borderStyle: ['responsive', 'focus'],
-    //borderWidth: ['responsive', 'focus', 'first', 'last'],
+    borderWidth: ['responsive', 'focus', 'first', 'last'],
     boxShadow: ['responsive', 'hover', 'focus'],
     boxSizing: ['responsive'],
     cursor: ['responsive'],
@@ -826,4 +828,8 @@ module.exports = {
   },
   corePlugins: {},
   plugins: [],
+  future: {
+    purgeLayersByDefault: true,
+    standardFontWeights: true,
+  },
 };
diff --git a/platform/viewer/.webpack/webpack.pwa.js b/platform/viewer/.webpack/webpack.pwa.js
index 9561f7134..3271de51a 100644
--- a/platform/viewer/.webpack/webpack.pwa.js
+++ b/platform/viewer/.webpack/webpack.pwa.js
@@ -7,11 +7,9 @@ const webpackBase = require('./../../../.webpack/webpack.base.js');
 // ~~ Plugins
 const { CleanWebpackPlugin } = require('clean-webpack-plugin');
 const CopyWebpackPlugin = require('copy-webpack-plugin');
-const ExtractCssChunksPlugin = require('extract-css-chunks-webpack-plugin');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
 const { InjectManifest } = require('workbox-webpack-plugin');
-// ~~ Rules
-const extractStyleChunksRule = require('./rules/extractStyleChunks.js');
+const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 // ~~ Directories
 const SRC_DIR = path.join(__dirname, '../src');
 const DIST_DIR = path.join(__dirname, '../dist');
@@ -39,9 +37,6 @@ module.exports = (env, argv) => {
       filename: isProdBuild ? '[name].bundle.[chunkhash].js' : '[name].js',
       publicPath: PUBLIC_URL, // Used by HtmlWebPackPlugin for asset prefix
     },
-    module: {
-      rules: [...extractStyleChunksRule(isProdBuild)],
-    },
     resolve: {
       modules: [
         // Modules specific to this package
@@ -81,12 +76,6 @@ module.exports = (env, argv) => {
           },
         ],
       }),
-      // https://github.com/faceyspacey/extract-css-chunks-webpack-plugin#webpack-4-standalone-installation
-      new ExtractCssChunksPlugin({
-        filename: isProdBuild ? '[name].[hash].css' : '[name].css',
-        chunkFilename: isProdBuild ? '[id].[hash].css' : '[id].css',
-        ignoreOrder: false, // Enable to remove warnings about conflicting order
-      }),
       // Generate "index.html" w/ correct includes/imports
       new HtmlWebpackPlugin({
         template: `${PUBLIC_DIR}/html-templates/${HTML_TEMPLATE}`,
@@ -131,7 +120,14 @@ module.exports = (env, argv) => {
     mergedConfig.devServer.proxy[PROXY_TARGET] = PROXY_DOMAIN;
   }
 
-  if (!isProdBuild) {
+  if (isProdBuild) {
+    mergedConfig.plugins.push(
+      new MiniCssExtractPlugin({
+        filename: '[name].bundle.css',
+        chunkFilename: '[id].css',
+      })
+    );
+  } else {
     mergedConfig.plugins.push(new webpack.HotModuleReplacementPlugin());
   }
 
diff --git a/platform/viewer/package.json b/platform/viewer/package.json
index b02a825d2..a12c1733a 100644
--- a/platform/viewer/package.json
+++ b/platform/viewer/package.json
@@ -17,10 +17,11 @@
   },
   "proxy": "http://localhost:8042",
   "scripts": {
-    "build:viewer": "cross-env NODE_ENV=production node --max_old_space_size=4096 ./../../node_modules/webpack/bin/webpack.js --config .webpack/webpack.pwa.js --progress",
-    "build:viewer:ci": "cross-env NODE_ENV=production PUBLIC_URL=/ APP_CONFIG=config/netlify.js QUICK_BUILD=true node --max_old_space_size=4096 ./../../node_modules/webpack/bin/webpack.js --config .webpack/webpack.pwa.js",
-    "build:viewer:qa": "cross-env NODE_ENV=production APP_CONFIG=config/google.js node --max_old_space_size=4096 ./../../node_modules/webpack/bin/webpack.js --config .webpack/webpack.pwa.js --progress",
-    "build:viewer:demo": "cross-env NODE_ENV=production APP_CONFIG=config/demo.js HTML_TEMPLATE=rollbar.html QUICK_BUILD=true node --max_old_space_size=4096 ./../../node_modules/webpack/bin/webpack.js --progress --config .webpack/webpack.pwa.js",
+    "build:viewer": "cross-env NODE_ENV=production yarn run build",
+    "build:viewer:ci": "cross-env NODE_ENV=production PUBLIC_URL=/ APP_CONFIG=config/netlify.js QUICK_BUILD=true yarn run build",
+    "build:viewer:qa": "cross-env NODE_ENV=production APP_CONFIG=config/google.js yarn run build",
+    "build:viewer:demo": "cross-env NODE_ENV=production APP_CONFIG=config/demo.js HTML_TEMPLATE=rollbar.html QUICK_BUILD=true yarn run build",
+    "build": "node --max_old_space_size=4096 ./../../node_modules/webpack/bin/webpack.js --progress --config .webpack/webpack.pwa.js",
     "dev": "cross-env NODE_ENV=development webpack serve --config .webpack/webpack.pwa.js",
     "dev:orthanc": "cross-env NODE_ENV=development PROXY_TARGET=/dicom-web PROXY_DOMAIN=http://localhost:8042 APP_CONFIG=config/docker_nginx-orthanc.js webpack serve --config .webpack/webpack.pwa.js",
     "dev:viewer": "yarn run dev",
diff --git a/platform/viewer/public/html-templates/index.html b/platform/viewer/public/html-templates/index.html
index 1dce0e233..9374a43f8 100644
--- a/platform/viewer/public/html-templates/index.html
+++ b/platform/viewer/public/html-templates/index.html
@@ -64,8 +64,8 @@
 
   <!-- Built with: https://polyfill.io/v3/url-builder/ -->
   <!-- Targets IE11 -->
-  <script
-    src="https://polyfill.io/v3/polyfill.min.js?flags=gated&features=default%2CObject.values%2CArray.prototype.flat%2CObject.entries%2CSymbol%2CArray.prototype.includes%2CString.prototype.repeat%2CArray.prototype.find"></script>
+  <!-- <script
+    src="https://polyfill.io/v3/polyfill.min.js?flags=gated&features=default%2CObject.values%2CArray.prototype.flat%2CObject.entries%2CSymbol%2CArray.prototype.includes%2CString.prototype.repeat%2CArray.prototype.find"></script>!-->
   <script type="text/javascript">
     window.PUBLIC_URL = '<%= PUBLIC_URL %>';
   </script>
diff --git a/platform/viewer/public/html-templates/rollbar.html b/platform/viewer/public/html-templates/rollbar.html
index ae8e9c695..e8899fe74 100644
--- a/platform/viewer/public/html-templates/rollbar.html
+++ b/platform/viewer/public/html-templates/rollbar.html
@@ -64,8 +64,8 @@
 
   <!-- Built with: https://polyfill.io/v3/url-builder/ -->
   <!-- Targets IE11 -->
-  <script
-    src="https://polyfill.io/v3/polyfill.min.js?flags=gated&features=default%2CObject.values%2CArray.prototype.flat%2CObject.entries%2CSymbol%2CArray.prototype.includes%2CString.prototype.repeat%2CArray.prototype.find"></script>
+  <!-- <script
+    src="https://polyfill.io/v3/polyfill.min.js?flags=gated&features=default%2CObject.values%2CArray.prototype.flat%2CObject.entries%2CSymbol%2CArray.prototype.includes%2CString.prototype.repeat%2CArray.prototype.find"></script>!-->
   <script type="text/javascript">
     window.PUBLIC_URL = '<%= PUBLIC_URL %>';
   </script>
diff --git a/platform/viewer/public/html-templates/script-tag.html b/platform/viewer/public/html-templates/script-tag.html
deleted file mode 100644
index 455b63493..000000000
--- a/platform/viewer/public/html-templates/script-tag.html
+++ /dev/null
@@ -1,42 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-  <meta charset="utf-8" />
-
-  <meta name="description" content="Open Health Imaging Foundation DICOM Viewer" />
-  <meta name="viewport"
-    content="width=device-width,initial-scale=1.0,minimum-scale=1,maximum-scale=1,user-scalable=no" />
-  <meta name="theme-color" content="#000000" />
-  <meta http-equiv="cleartype" content="on" />
-  <meta name="MobileOptimized" content="320" />
-  <meta name="HandheldFriendly" content="True" />
-  <meta name="apple-mobile-web-app-capable" content="yes" />
-
-  <script
-    src="https://polyfill.io/v3/polyfill.min.js?flags=gated&features=default%2CObject.values%2CArray.prototype.flat%2CObject.entries%2CSymbol%2CArray.prototype.includes%2CString.prototype.repeat%2CArray.prototype.find"></script>
-
-  <title>OHIF Standalone Viewer</title>
-</head>
-
-<body>
-  <noscript> You need to enable JavaScript to run this app. </noscript>
-
-  <div id="root"></div>
-
-  <script type="text/javascript" src="<%= PUBLIC_URL %>app-config.js"></script>
-  <script src="/index.umd.js" crossorigin></script>
-  <script>
-    var containerId = 'root';
-    var componentRenderedOrUpdatedCallback = function () {
-      console.log('OHIF Viewer rendered/updated');
-    };
-    window.OHIFViewer.installViewer(
-      window.config, // See `/config/default.js`
-      containerId,
-      componentRenderedOrUpdatedCallback
-    );
-  </script>
-</body>
-
-</html>
diff --git a/platform/viewer/src/index.js b/platform/viewer/src/index.js
index 437b9ddf4..12a6d1caa 100644
--- a/platform/viewer/src/index.js
+++ b/platform/viewer/src/index.js
@@ -6,7 +6,6 @@ import 'regenerator-runtime/runtime';
 import App from './App.jsx';
 import React from 'react';
 import ReactDOM from 'react-dom';
-// test
 
 /**
  * EXTENSIONS
diff --git a/platform/viewer/src/routes/DataSourceWrapper.jsx b/platform/viewer/src/routes/DataSourceWrapper.jsx
index 769f097b9..69ce49f5e 100644
--- a/platform/viewer/src/routes/DataSourceWrapper.jsx
+++ b/platform/viewer/src/routes/DataSourceWrapper.jsx
@@ -63,20 +63,21 @@ function DataSourceWrapper(props) {
       setIsLoading(true);
       const studies = await dataSource.query.studies.search(queryFilterValues);
 
-      setIsLoading(false);
       setData({
         studies: studies || [],
         total: studies.length,
         resultsPerPage: queryFilterValues.resultsPerPage,
         pageNumber: queryFilterValues.pageNumber,
       });
+
+      setIsLoading(false);
     }
 
     try {
       // Cache invalidation :thinking:
       // - Anytime change is not just next/previous page
       // - And we didn't cross a result offset range
-      const isFirstLoad = data.studies.length === 0;
+      const isFirstLoad = data.studies.length === 0 && !isLoading;
       const isSamePage = data.pageNumber === queryFilterValues.pageNumber;
       const previousOffset =
         Math.floor((data.pageNumber * data.resultsPerPage) / STUDIES_LIMIT) *
@@ -88,7 +89,7 @@ function DataSourceWrapper(props) {
         ) *
         (STUDIES_LIMIT - 1);
       const isDataInvalid =
-        isFirstLoad || isSamePage || newOffset !== previousOffset;
+        isFirstLoad || !isSamePage || newOffset !== previousOffset;
 
       if (isDataInvalid) {
         getData();
@@ -97,7 +98,7 @@ function DataSourceWrapper(props) {
       console.warn(ex);
     }
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [location, params]);
+  }, [data, location, params, isLoading, setIsLoading]);
   // queryFilterValues
 
   // TODO: Better way to pass DataSource?
diff --git a/platform/viewer/tailwind.config.js b/platform/viewer/tailwind.config.js
new file mode 100644
index 000000000..68618f287
--- /dev/null
+++ b/platform/viewer/tailwind.config.js
@@ -0,0 +1,838 @@
+module.exports = {
+  prefix: '',
+  important: false,
+  separator: ':',
+  purge: {
+    // Note: if you are writing an extension that uses Tailwind classes,
+    // you need to put it here so they are not purged in the production build
+    content: [
+      './src/**/*.{jsx,js,css}',
+      './node_modules/@ohif/ui/src/**/*.{js,jsx,css}',
+      '../../node_modules/@ohif/ui/src/**/*.{js,jsx,css}',
+      '../../node_modules/@ohif/ui/src/**/*.{js,jsx,css}',
+      '../../node_modules/@ohif/extension-*/src/**/*.{js,jsx,css}',
+    ],
+  },
+  theme: {
+    screens: {
+      sm: '640px',
+      md: '768px',
+      lg: '1024px',
+      xl: '1280px',
+    },
+    colors: {
+      overlay: 'rgba(0, 0, 0, 0.8)',
+      transparent: 'transparent',
+      black: '#000',
+      white: '#fff',
+      initial: 'initial',
+      inherit: 'inherit',
+
+      indigo: {
+        dark: '#0b1a42',
+      },
+      aqua: {
+        pale: '#7bb2ce',
+      },
+
+      primary: {
+        light: '#5acce6',
+        main: '#0944b3',
+        dark: '#090c29',
+        active: '#348cfd',
+      },
+
+      secondary: {
+        light: '#3a3f99',
+        main: '#2b166b',
+        dark: '#041c4a',
+        active: '#1f1f27',
+      },
+
+      common: {
+        bright: '#e1e1e1',
+        light: '#a19fad',
+        main: '#fff',
+        dark: '#726f7e',
+        active: '#2c3074',
+      },
+
+      customgreen: {
+        100: '#05D97C',
+      },
+
+      customblue: {
+        100: '#c4fdff',
+        200: '#38daff',
+      },
+
+      gray: {
+        100: '#f7fafc',
+        200: '#edf2f7',
+        300: '#e2e8f0',
+        400: '#cbd5e0',
+        500: '#a0aec0',
+        600: '#718096',
+        700: '#4a5568',
+        800: '#2d3748',
+        900: '#1a202c',
+      },
+      red: {
+        100: '#fff5f5',
+        200: '#fed7d7',
+        300: '#feb2b2',
+        400: '#fc8181',
+        500: '#f56565',
+        600: '#e53e3e',
+        700: '#c53030',
+        800: '#9b2c2c',
+        900: '#742a2a',
+      },
+      orange: {
+        100: '#fffaf0',
+        200: '#feebc8',
+        300: '#fbd38d',
+        400: '#f6ad55',
+        500: '#ed8936',
+        600: '#dd6b20',
+        700: '#c05621',
+        800: '#9c4221',
+        900: '#7b341e',
+      },
+      yellow: {
+        100: '#fffff0',
+        200: '#fefcbf',
+        300: '#faf089',
+        400: '#f6e05e',
+        500: '#ecc94b',
+        600: '#d69e2e',
+        700: '#b7791f',
+        800: '#975a16',
+        900: '#744210',
+      },
+      green: {
+        100: '#f0fff4',
+        200: '#c6f6d5',
+        300: '#9ae6b4',
+        400: '#68d391',
+        500: '#48bb78',
+        600: '#38a169',
+        700: '#2f855a',
+        800: '#276749',
+        900: '#22543d',
+      },
+      teal: {
+        100: '#e6fffa',
+        200: '#b2f5ea',
+        300: '#81e6d9',
+        400: '#4fd1c5',
+        500: '#38b2ac',
+        600: '#319795',
+        700: '#2c7a7b',
+        800: '#285e61',
+        900: '#234e52',
+      },
+      blue: {
+        100: '#ebf8ff',
+        200: '#bee3f8',
+        300: '#90cdf4',
+        400: '#63b3ed',
+        500: '#4299e1',
+        600: '#3182ce',
+        700: '#2b6cb0',
+        800: '#2c5282',
+        900: '#2a4365',
+      },
+      indigo: {
+        100: '#ebf4ff',
+        200: '#c3dafe',
+        300: '#a3bffa',
+        400: '#7f9cf5',
+        500: '#667eea',
+        600: '#5a67d8',
+        700: '#4c51bf',
+        800: '#434190',
+        900: '#3c366b',
+      },
+      purple: {
+        100: '#faf5ff',
+        200: '#e9d8fd',
+        300: '#d6bcfa',
+        400: '#b794f4',
+        500: '#9f7aea',
+        600: '#805ad5',
+        700: '#6b46c1',
+        800: '#553c9a',
+        900: '#44337a',
+      },
+      pink: {
+        100: '#fff5f7',
+        200: '#fed7e2',
+        300: '#fbb6ce',
+        400: '#f687b3',
+        500: '#ed64a6',
+        600: '#d53f8c',
+        700: '#b83280',
+        800: '#97266d',
+        900: '#702459',
+      },
+    },
+    spacing: {
+      px: '1px',
+      '0': '0',
+      '1': '0.15rem',
+      '2': '0.5rem',
+      '3': '0.75rem',
+      '4': '1rem',
+      '5': '1.25rem',
+      '6': '1.5rem',
+      '8': '2rem',
+      '10': '2.5rem',
+      '12': '3rem',
+      '14': '3.5rem',
+      '16': '4rem',
+      '18': '4.5rem',
+      '20': '5rem',
+      '24': '6rem',
+      '32': '8rem',
+      '40': '10rem',
+      '48': '12rem',
+      '56': '14rem',
+      '64': '16rem',
+      '72': '18rem',
+      '80': '20rem',
+      '88': '22rem',
+      '96': '24rem',
+      '104': '26rem',
+      '112': '28rem',
+      '250px': '250px',
+    },
+    backgroundColor: theme => theme('colors'),
+    backgroundPosition: {
+      bottom: 'bottom',
+      center: 'center',
+      left: 'left',
+      'left-bottom': 'left bottom',
+      'left-top': 'left top',
+      right: 'right',
+      'right-bottom': 'right bottom',
+      'right-top': 'right top',
+      top: 'top',
+    },
+    backgroundSize: {
+      auto: 'auto',
+      cover: 'cover',
+      contain: 'contain',
+    },
+    borderColor: theme => ({
+      ...theme('colors'),
+      DEFAULT: theme('colors.gray.300', 'currentColor'),
+    }),
+    borderRadius: {
+      none: '0',
+      sm: '0.125rem',
+      DEFAULT: '0.25rem',
+      md: '0.375rem',
+      lg: '0.5rem',
+      full: '9999px',
+    },
+    borderWidth: {
+      DEFAULT: '1px',
+      '0': '0',
+      '2': '2px',
+      '4': '4px',
+      '8': '8px',
+    },
+    boxShadow: {
+      xs: '0 0 0 1px rgba(0, 0, 0, 0.05)',
+      sm: '0 1px 2px 0 rgba(0, 0, 0, 0.05)',
+      DEFAULT:
+        '0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06)',
+      md:
+        '0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06)',
+      lg:
+        '0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05)',
+      xl:
+        '0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04)',
+      '2xl': '0 25px 50px -12px rgba(0, 0, 0, 0.25)',
+      inner: 'inset 0 2px 4px 0 rgba(0, 0, 0, 0.06)',
+      outline: '0 0 0 3px rgba(66, 153, 225, 0.5)',
+      none: 'none',
+    },
+    container: {},
+    cursor: {
+      auto: 'auto',
+      default: 'default',
+      pointer: 'pointer',
+      wait: 'wait',
+      text: 'text',
+      move: 'move',
+      'not-allowed': 'not-allowed',
+    },
+    fill: {
+      current: 'currentColor',
+    },
+    flex: {
+      '1': '1 1 0%',
+      '0.3': '0.3 0.3 0%',
+      '0.5': '0.5 0.5 0%',
+      auto: '1 1 auto',
+      initial: '0 1 auto',
+      none: 'none',
+    },
+    flexGrow: {
+      '0': '0',
+      DEFAULT: '1',
+    },
+    flexShrink: {
+      '0': '0',
+      DEFAULT: '1',
+    },
+    fontFamily: {
+      sans: [
+        'Lato',
+        'system-ui',
+        '-apple-system',
+        'BlinkMacSystemFont',
+        '"Segoe UI"',
+        'Roboto',
+        '"Helvetica Neue"',
+        'Arial',
+        '"Noto Sans"',
+        'sans-serif',
+        '"Apple Color Emoji"',
+        '"Segoe UI Emoji"',
+        '"Segoe UI Symbol"',
+        '"Noto Color Emoji"',
+      ],
+      serif: ['Georgia', 'Cambria', '"Times New Roman"', 'Times', 'serif'],
+      mono: [
+        'Menlo',
+        'Monaco',
+        'Consolas',
+        '"Liberation Mono"',
+        '"Courier New"',
+        'monospace',
+      ],
+    },
+    fontSize: {
+      xs: '0.65rem',
+      sm: '0.75rem',
+      base: '0.875rem',
+      lg: '1rem',
+      xl: '1.25rem',
+      '2xl': '1.5rem',
+      '3xl': '1.875rem',
+      '4xl': '2.25rem',
+      '5xl': '3rem',
+      '6xl': '4rem',
+    },
+    fontWeight: {
+      hairline: '100',
+      thin: '200',
+      light: '300',
+      normal: '400',
+      medium: '500',
+      semibold: '600',
+      bold: '700',
+      extrabold: '800',
+      black: '900',
+    },
+    height: theme => ({
+      auto: 'auto',
+      ...theme('spacing'),
+      full: '100%',
+      screen: '100vh',
+    }),
+    inset: {
+      '0': '0',
+      auto: 'auto',
+      full: '100%',
+      viewport: '0.5rem',
+      '1/2': '50%',
+      'viewport-scrollbar': '1.3rem',
+    },
+    letterSpacing: {
+      tighter: '-0.05em',
+      tight: '-0.025em',
+      normal: '0',
+      wide: '0.025em',
+      wider: '0.05em',
+      widest: '0.1em',
+    },
+    lineHeight: {
+      none: '1',
+      tight: '1.25',
+      snug: '1.375',
+      normal: '1.5',
+      relaxed: '1.625',
+      loose: '2',
+      '3': '.75rem',
+      '4': '1rem',
+      '5': '1.25rem',
+      '6': '1.5rem',
+      '7': '1.75rem',
+      '8': '2rem',
+      '9': '2.25rem',
+      '10': '2.5rem',
+    },
+    listStyleType: {
+      none: 'none',
+      disc: 'disc',
+      decimal: 'decimal',
+    },
+    margin: (theme, { negative }) => ({
+      auto: 'auto',
+      ...theme('spacing'),
+      ...negative(theme('spacing')),
+    }),
+    maxHeight: theme => ({
+      full: '100%',
+      screen: '100vh',
+      ...theme('spacing'),
+    }),
+    maxWidth: (theme, { breakpoints }) => ({
+      none: 'none',
+      xs: '20rem',
+      sm: '24rem',
+      md: '28rem',
+      lg: '32rem',
+      xl: '36rem',
+      '2xl': '42rem',
+      '3xl': '48rem',
+      '4xl': '56rem',
+      '5xl': '64rem',
+      '6xl': '72rem',
+      full: '100%',
+      ...breakpoints(theme('screens')),
+      ...theme('spacing'),
+    }),
+    minHeight: theme => ({
+      ...theme('spacing'),
+      '0': '0',
+      full: '100%',
+      screen: '100vh',
+    }),
+    minWidth: theme => ({
+      ...theme('spacing'),
+      '0': '0',
+      xs: '2rem',
+      sm: '4rem',
+      md: '6rem',
+      lg: '8rem',
+      xl: '10rem',
+      full: '100%',
+    }),
+    objectPosition: {
+      bottom: 'bottom',
+      center: 'center',
+      left: 'left',
+      'left-bottom': 'left bottom',
+      'left-top': 'left top',
+      right: 'right',
+      'right-bottom': 'right bottom',
+      'right-top': 'right top',
+      top: 'top',
+    },
+    opacity: {
+      '0': '0',
+      '5': '.5',
+      '10': '.10',
+      '15': '.15',
+      '20': '.20',
+      '25': '.25',
+      '30': '.30',
+      '35': '.35',
+      '40': '.40',
+      '45': '.45',
+      '50': '.50',
+      '55': '.55',
+      '60': '.60',
+      '65': '.65',
+      '70': '.70',
+      '75': '.75',
+      '80': '.80',
+      '85': '.85',
+      '90': '.90',
+      '95': '.95',
+      '100': '1',
+    },
+    order: {
+      first: '-9999',
+      last: '9999',
+      none: '0',
+      '1': '1',
+      '2': '2',
+      '3': '3',
+      '4': '4',
+      '5': '5',
+      '6': '6',
+      '7': '7',
+      '8': '8',
+      '9': '9',
+      '10': '10',
+      '11': '11',
+      '12': '12',
+    },
+    padding: theme => theme('spacing'),
+    placeholderColor: theme => theme('colors'),
+    stroke: theme => ({
+      ...theme('colors'),
+      current: 'currentColor',
+    }),
+    strokeWidth: {
+      '0': '0',
+      '1': '1',
+      '2': '2',
+    },
+    textColor: theme => theme('colors'),
+    width: theme => ({
+      auto: 'auto',
+      ...theme('spacing'),
+      '1/2': '50%',
+      '1/3': '33.333333%',
+      '2/3': '66.666667%',
+      '1/4': '25%',
+      '2/4': '50%',
+      '3/4': '75%',
+      '1/5': '20%',
+      '2/5': '40%',
+      '3/5': '60%',
+      '4/5': '80%',
+      '1/6': '16.666667%',
+      '2/6': '33.333333%',
+      '3/6': '50%',
+      '4/6': '66.666667%',
+      '5/6': '83.333333%',
+      '1/12': '8.333333%',
+      '2/12': '16.666667%',
+      '3/12': '25%',
+      '4/12': '33.333333%',
+      '5/12': '41.666667%',
+      '6/12': '50%',
+      '7/12': '58.333333%',
+      '8/12': '66.666667%',
+      '9/12': '75%',
+      '10/12': '83.333333%',
+      '11/12': '91.666667%',
+      '1/24': '4.166666667%',
+      '2/24': '8.333333333%',
+      '3/24': '12.5%',
+      '4/24': '16.66666667%',
+      '5/24': '20.83333333%',
+      '6/24': '25%',
+      '7/24': '29.16666667%',
+      '8/24': '33.33333333%',
+      '9/24': '37.5%',
+      '10/24': '41.66666667%',
+      '11/24': '45.83333333%',
+      '12/24': '50%',
+      '13/24': '54.16666667%',
+      '14/24': '58.33333333%',
+      '15/24': '62.5%',
+      '16/24': '66.66666667%',
+      '17/24': '70.83333333%',
+      '18/24': '75%',
+      '19/24': '79.16666667%',
+      '20/24': '83.33333333%',
+      '21/24': '87.5%',
+      '22/24': '91.66666667%',
+      '23/24': '95.83333333%',
+      full: '100%',
+      screen: '100vw',
+      'max-content': 'max-content',
+    }),
+    zIndex: {
+      auto: 'auto',
+      '0': '0',
+      '10': '10',
+      '20': '20',
+      '30': '30',
+      '40': '40',
+      '50': '50',
+    },
+    gap: theme => theme('spacing'),
+    gridTemplateColumns: {
+      none: 'none',
+      '1': 'repeat(1, minmax(0, 1fr))',
+      '2': 'repeat(2, minmax(0, 1fr))',
+      '3': 'repeat(3, minmax(0, 1fr))',
+      '4': 'repeat(4, minmax(0, 1fr))',
+      '5': 'repeat(5, minmax(0, 1fr))',
+      '6': 'repeat(6, minmax(0, 1fr))',
+      '7': 'repeat(7, minmax(0, 1fr))',
+      '8': 'repeat(8, minmax(0, 1fr))',
+      '9': 'repeat(9, minmax(0, 1fr))',
+      '10': 'repeat(10, minmax(0, 1fr))',
+      '11': 'repeat(11, minmax(0, 1fr))',
+      '12': 'repeat(12, minmax(0, 1fr))',
+    },
+    gridColumn: {
+      auto: 'auto',
+      'span-1': 'span 1 / span 1',
+      'span-2': 'span 2 / span 2',
+      'span-3': 'span 3 / span 3',
+      'span-4': 'span 4 / span 4',
+      'span-5': 'span 5 / span 5',
+      'span-6': 'span 6 / span 6',
+      'span-7': 'span 7 / span 7',
+      'span-8': 'span 8 / span 8',
+      'span-9': 'span 9 / span 9',
+      'span-10': 'span 10 / span 10',
+      'span-11': 'span 11 / span 11',
+      'span-12': 'span 12 / span 12',
+    },
+    gridColumnStart: {
+      auto: 'auto',
+      '1': '1',
+      '2': '2',
+      '3': '3',
+      '4': '4',
+      '5': '5',
+      '6': '6',
+      '7': '7',
+      '8': '8',
+      '9': '9',
+      '10': '10',
+      '11': '11',
+      '12': '12',
+      '13': '13',
+    },
+    gridColumnEnd: {
+      auto: 'auto',
+      '1': '1',
+      '2': '2',
+      '3': '3',
+      '4': '4',
+      '5': '5',
+      '6': '6',
+      '7': '7',
+      '8': '8',
+      '9': '9',
+      '10': '10',
+      '11': '11',
+      '12': '12',
+      '13': '13',
+    },
+    gridTemplateRows: {
+      none: 'none',
+      '1': 'repeat(1, minmax(0, 1fr))',
+      '2': 'repeat(2, minmax(0, 1fr))',
+      '3': 'repeat(3, minmax(0, 1fr))',
+      '4': 'repeat(4, minmax(0, 1fr))',
+      '5': 'repeat(5, minmax(0, 1fr))',
+      '6': 'repeat(6, minmax(0, 1fr))',
+    },
+    gridRow: {
+      auto: 'auto',
+      'span-1': 'span 1 / span 1',
+      'span-2': 'span 2 / span 2',
+      'span-3': 'span 3 / span 3',
+      'span-4': 'span 4 / span 4',
+      'span-5': 'span 5 / span 5',
+      'span-6': 'span 6 / span 6',
+    },
+    gridRowStart: {
+      auto: 'auto',
+      '1': '1',
+      '2': '2',
+      '3': '3',
+      '4': '4',
+      '5': '5',
+      '6': '6',
+      '7': '7',
+    },
+    gridRowEnd: {
+      auto: 'auto',
+      '1': '1',
+      '2': '2',
+      '3': '3',
+      '4': '4',
+      '5': '5',
+      '6': '6',
+      '7': '7',
+    },
+    transformOrigin: {
+      center: 'center',
+      top: 'top',
+      'top-right': 'top right',
+      right: 'right',
+      'bottom-right': 'bottom right',
+      bottom: 'bottom',
+      'bottom-left': 'bottom left',
+      left: 'left',
+      'top-left': 'top left',
+    },
+    scale: {
+      '0': '0',
+      '50': '.5',
+      '75': '.75',
+      '90': '.9',
+      '95': '.95',
+      '100': '1',
+      '105': '1.05',
+      '110': '1.1',
+      '125': '1.25',
+      '150': '1.5',
+    },
+    rotate: {
+      '-180': '-180deg',
+      '-90': '-90deg',
+      '-45': '-45deg',
+      '0': '0',
+      '45': '45deg',
+      '90': '90deg',
+      '180': '180deg',
+    },
+    translate: (theme, { negative }) => ({
+      ...theme('spacing'),
+      ...negative(theme('spacing')),
+      '-full': '-100%',
+      '-1/2': '-50%',
+      '1/2': '50%',
+      full: '100%',
+    }),
+    skew: {
+      '-12': '-12deg',
+      '-6': '-6deg',
+      '-3': '-3deg',
+      '0': '0',
+      '3': '3deg',
+      '6': '6deg',
+      '12': '12deg',
+    },
+    transitionProperty: {
+      none: 'none',
+      all: 'all',
+      height: 'height',
+      DEFAULT:
+        'background-color, border-color, color, fill, stroke, opacity, box-shadow, transform',
+      colors: 'background-color, border-color, color, fill, stroke',
+      opacity: 'opacity',
+      shadow: 'box-shadow',
+      transform: 'transform',
+    },
+    transitionTimingFunction: {
+      linear: 'linear',
+      in: 'cubic-bezier(0.4, 0, 1, 1)',
+      out: 'cubic-bezier(0, 0, 0.2, 1)',
+      'in-out': 'cubic-bezier(0.4, 0, 0.2, 1)',
+    },
+    transitionDuration: {
+      '75': '75ms',
+      '100': '100ms',
+      '150': '150ms',
+      '200': '200ms',
+      '300': '300ms',
+      '500': '500ms',
+      '700': '700ms',
+      '1000': '1000ms',
+    },
+  },
+  variants: {
+    accessibility: ['responsive', 'focus'],
+    alignContent: ['responsive'],
+    alignItems: ['responsive'],
+    alignSelf: ['responsive'],
+    appearance: ['responsive'],
+    backgroundAttachment: ['responsive'],
+    backgroundColor: [
+      'responsive',
+      'hover',
+      'focus',
+      'active',
+      'group-focus',
+      'group-hover',
+    ],
+    backgroundPosition: ['responsive'],
+    backgroundRepeat: ['responsive'],
+    backgroundSize: ['responsive'],
+    borderCollapse: ['responsive'],
+    borderColor: [
+      'responsive',
+      'hover',
+      'focus',
+      'active',
+      'group-focus',
+      'group-hover',
+    ],
+    borderRadius: ['responsive', 'focus', 'first', 'last'],
+    borderStyle: ['responsive', 'focus'],
+    borderWidth: ['responsive', 'focus', 'first', 'last'],
+    boxShadow: ['responsive', 'hover', 'focus'],
+    boxSizing: ['responsive'],
+    cursor: ['responsive'],
+    display: ['responsive'],
+    fill: ['responsive'],
+    flex: ['responsive'],
+    flexDirection: ['responsive'],
+    flexGrow: ['responsive'],
+    flexShrink: ['responsive'],
+    flexWrap: ['responsive'],
+    float: ['responsive'],
+    clear: ['responsive'],
+    fontFamily: ['responsive'],
+    fontSize: ['responsive'],
+    fontSmoothing: ['responsive'],
+    fontStyle: ['responsive'],
+    fontWeight: ['responsive', 'hover', 'focus'],
+    height: ['responsive'],
+    inset: ['responsive'],
+    justifyContent: ['responsive'],
+    letterSpacing: ['responsive'],
+    lineHeight: ['responsive'],
+    listStylePosition: ['responsive'],
+    listStyleType: ['responsive'],
+    margin: ['responsive'],
+    maxHeight: ['responsive'],
+    maxWidth: ['responsive'],
+    minHeight: ['responsive'],
+    minWidth: ['responsive'],
+    objectFit: ['responsive'],
+    objectPosition: ['responsive'],
+    opacity: ['responsive', 'hover', 'focus', 'active'],
+    order: ['responsive'],
+    outline: ['responsive', 'focus'],
+    overflow: ['responsive'],
+    padding: ['responsive', 'first'],
+    placeholderColor: ['responsive', 'focus'],
+    pointerEvents: ['responsive'],
+    position: ['responsive'],
+    resize: ['responsive'],
+    stroke: ['responsive'],
+    strokeWidth: ['responsive'],
+    tableLayout: ['responsive'],
+    textAlign: ['responsive'],
+    textColor: ['responsive', 'hover', 'focus', 'active', 'group-hover'],
+    textDecoration: ['responsive', 'hover', 'focus'],
+    textTransform: ['responsive'],
+    userSelect: ['responsive'],
+    verticalAlign: ['responsive'],
+    visibility: ['responsive'],
+    whitespace: ['responsive'],
+    width: ['responsive'],
+    wordBreak: ['responsive'],
+    zIndex: ['responsive'],
+    gap: ['responsive'],
+    gridAutoFlow: ['responsive'],
+    gridTemplateColumns: ['responsive'],
+    gridColumn: ['responsive'],
+    gridColumnStart: ['responsive'],
+    gridColumnEnd: ['responsive'],
+    gridTemplateRows: ['responsive'],
+    gridRow: ['responsive'],
+    gridRowStart: ['responsive'],
+    gridRowEnd: ['responsive'],
+    transform: ['responsive'],
+    transformOrigin: ['responsive'],
+    scale: ['responsive', 'hover', 'focus'],
+    rotate: ['responsive', 'hover', 'focus'],
+    translate: ['responsive', 'hover', 'focus'],
+    skew: ['responsive', 'hover', 'focus'],
+    transitionProperty: ['responsive'],
+    transitionTimingFunction: ['responsive'],
+    transitionDuration: ['responsive'],
+  },
+  corePlugins: {},
+  plugins: [],
+};
diff --git a/platform/viewer/tailwind.css b/platform/viewer/tailwind.css
new file mode 100644
index 000000000..492349705
--- /dev/null
+++ b/platform/viewer/tailwind.css
@@ -0,0 +1,4 @@
+/* IMPORT CUSTOM FONT */
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
diff --git a/yarn.lock b/yarn.lock
index f26bc17c3..ba2e469ed 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1114,27 +1114,13 @@
     core-js-pure "^3.15.0"
     regenerator-runtime "^0.13.4"
 
-"@babel/runtime@7.1.2":
-  version "7.1.2"
-  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.1.2.tgz#81c89935f4647706fc54541145e6b4ecfef4b8e3"
-  integrity sha512-Y3SCjmhSupzFB6wcv1KmmFucH6gDVnI30WjOcicV10ju0cZjak3Jcs67YLIXBrmZYw1xCrVeJPbycFwrqNyxpg==
-  dependencies:
-    regenerator-runtime "^0.12.0"
-
-"@babel/runtime@7.7.6", "@babel/runtime@^7.1.2", "@babel/runtime@^7.2.0", "@babel/runtime@^7.3.1", "@babel/runtime@^7.4.4", "@babel/runtime@^7.4.5", "@babel/runtime@^7.5.5", "@babel/runtime@^7.7.2", "@babel/runtime@^7.7.4", "@babel/runtime@^7.7.6":
+"@babel/runtime@7.1.2", "@babel/runtime@7.7.6", "@babel/runtime@^7.1.2", "@babel/runtime@^7.10.2", "@babel/runtime@^7.10.3", "@babel/runtime@^7.11.2", "@babel/runtime@^7.12.1", "@babel/runtime@^7.12.5", "@babel/runtime@^7.2.0", "@babel/runtime@^7.3.1", "@babel/runtime@^7.4.4", "@babel/runtime@^7.4.5", "@babel/runtime@^7.5.5", "@babel/runtime@^7.7.2", "@babel/runtime@^7.7.4", "@babel/runtime@^7.7.6", "@babel/runtime@^7.8.4", "@babel/runtime@^7.9.2":
   version "7.7.6"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.7.6.tgz#d18c511121aff1b4f2cd1d452f1bac9601dd830f"
   integrity sha512-BWAJxpNVa0QlE5gZdWjSxXtemZyZ9RmrmVozxt3NUXeZhVIJ5ANyqmMc0JDrivBZyxUuQvFxlvH4OWWOogGfUw==
   dependencies:
     regenerator-runtime "^0.13.2"
 
-"@babel/runtime@^7.10.2", "@babel/runtime@^7.10.3", "@babel/runtime@^7.11.2", "@babel/runtime@^7.12.1", "@babel/runtime@^7.12.5", "@babel/runtime@^7.8.4", "@babel/runtime@^7.9.2":
-  version "7.14.8"
-  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.14.8.tgz#7119a56f421018852694290b9f9148097391b446"
-  integrity sha512-twj3L8Og5SaCRCErB4x4ajbvBIVV77CGeFglHpeg5WC5FF8TZzBWXtTJ4MqaD9QszLYTtr+IsaAL2rEUevb+eg==
-  dependencies:
-    regenerator-runtime "^0.13.4"
-
 "@babel/template@^7.12.7", "@babel/template@^7.14.5", "@babel/template@^7.4.0":
   version "7.14.5"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.14.5.tgz#a9bc9d8b33354ff6e55a9c60d1109200a68974f4"
@@ -8098,16 +8084,6 @@ extglob@^2.0.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-extract-css-chunks-webpack-plugin@^4.9.0:
-  version "4.9.0"
-  resolved "https://registry.yarnpkg.com/extract-css-chunks-webpack-plugin/-/extract-css-chunks-webpack-plugin-4.9.0.tgz#da5e6b1d8b39a398c817ffc98550f4ccb6d795e1"
-  integrity sha512-HNuNPCXRMqJDQ1OHAUehoY+0JVCnw9Y/H22FQzYVwo8Ulgew98AGDu0grnY5c7xwiXHjQa6yJ/1dxLCI/xqTyQ==
-  dependencies:
-    loader-utils "^2.0.0"
-    normalize-url "1.9.1"
-    schema-utils "^1.0.0"
-    webpack-sources "^1.1.0"
-
 extract-stack@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/extract-stack/-/extract-stack-1.0.0.tgz#b97acaf9441eea2332529624b732fc5a1c8165fa"
@@ -12021,6 +11997,13 @@ mini-css-extract-plugin@^1.6.0:
     schema-utils "^3.0.0"
     webpack-sources "^1.1.0"
 
+mini-css-extract-plugin@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/mini-css-extract-plugin/-/mini-css-extract-plugin-2.1.0.tgz#4aa6558b527ad4c168fee4a20b6092ebe9f98309"
+  integrity sha512-SV1GgjMcfqy6hW07rAniUbQE4qS3inh3v4rZEUySkPRWy3vMbS3jUCjMOvNI4lUnDlQYJEmuUqKktTCNY5koFQ==
+  dependencies:
+    schema-utils "^3.0.0"
+
 minimalistic-assert@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
@@ -12443,16 +12426,6 @@ normalize-range@^0.1.2:
   resolved "https://registry.yarnpkg.com/normalize-range/-/normalize-range-0.1.2.tgz#2d10c06bdfd312ea9777695a4d28439456b75942"
   integrity sha1-LRDAa9/TEuqXd2laTShDlFa3WUI=
 
-normalize-url@1.9.1:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-1.9.1.tgz#2cc0d66b31ea23036458436e3620d85954c66c3c"
-  integrity sha1-LMDWazHqIwNkWENuNiDYWVTGbDw=
-  dependencies:
-    object-assign "^4.0.1"
-    prepend-http "^1.0.0"
-    query-string "^4.1.0"
-    sort-keys "^1.0.0"
-
 normalize-url@^3.0.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-3.3.0.tgz#b2e1c4dc4f7c6d57743df733a4f5978d18650559"
@@ -13652,16 +13625,6 @@ postcss-image-set-function@^3.0.1:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-import@^12.0.1:
-  version "12.0.1"
-  resolved "https://registry.yarnpkg.com/postcss-import/-/postcss-import-12.0.1.tgz#cf8c7ab0b5ccab5649024536e565f841928b7153"
-  integrity sha512-3Gti33dmCjyKBgimqGxL3vcV8w9+bsHwO5UrBawp796+jdardbcFl4RP5w/76BwNL7aGzpKstIfF9I+kdE8pTw==
-  dependencies:
-    postcss "^7.0.1"
-    postcss-value-parser "^3.2.3"
-    read-cache "^1.0.0"
-    resolve "^1.1.7"
-
 postcss-import@^14.0.2:
   version "14.0.2"
   resolved "https://registry.yarnpkg.com/postcss-import/-/postcss-import-14.0.2.tgz#60eff77e6be92e7b67fe469ec797d9424cae1aa1"
@@ -13704,17 +13667,6 @@ postcss-load-config@^3.1.0:
     lilconfig "^2.0.3"
     yaml "^1.10.2"
 
-postcss-loader@^4.0.3:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-4.3.0.tgz#2c4de9657cd4f07af5ab42bd60a673004da1b8cc"
-  integrity sha512-M/dSoIiNDOo8Rk0mUqoj4kpGq91gcxCfb9PoyZVdZ76/AuhxylHDYZblNE8o+EQ9AMSASeMFEKxZf5aU6wlx1Q==
-  dependencies:
-    cosmiconfig "^7.0.0"
-    klona "^2.0.4"
-    loader-utils "^2.0.0"
-    schema-utils "^3.0.0"
-    semver "^7.3.4"
-
 postcss-loader@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-5.3.0.tgz#1657f869e48d4fdb018a40771c235e499ee26244"
@@ -14134,7 +14086,7 @@ postcss-place@^4.0.1:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-preset-env@^6.6.0, postcss-preset-env@^6.7.0:
+postcss-preset-env@^6.7.0:
   version "6.7.0"
   resolved "https://registry.yarnpkg.com/postcss-preset-env/-/postcss-preset-env-6.7.0.tgz#c34ddacf8f902383b35ad1e030f178f4cdf118a5"
   integrity sha512-eU4/K5xzSFwUFJ8hTdTQzo2RBLbDVt83QZrAvI07TULOkmyQlnYlpwep+2yIK+K+0KlZO4BvFcleOCCcUtwchg==
@@ -14319,7 +14271,7 @@ postcss-unique-selectors@^5.0.1:
     postcss-selector-parser "^6.0.5"
     uniqs "^2.0.0"
 
-postcss-value-parser@^3.0.0, postcss-value-parser@^3.2.3, postcss-value-parser@^3.3.0:
+postcss-value-parser@^3.0.0, postcss-value-parser@^3.3.0:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
   integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
@@ -14385,11 +14337,6 @@ prelude-ls@~1.1.2:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
-prepend-http@^1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
-  integrity sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw=
-
 prepend-http@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
@@ -14703,14 +14650,6 @@ qs@~6.5.2:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
   integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
 
-query-string@^4.1.0:
-  version "4.3.4"
-  resolved "https://registry.yarnpkg.com/query-string/-/query-string-4.3.4.tgz#bbb693b9ca915c232515b228b1a02b609043dbeb"
-  integrity sha1-u7aTucqRXCMlFbIosaArYJBD2+s=
-  dependencies:
-    object-assign "^4.1.0"
-    strict-uri-encode "^1.0.0"
-
 query-string@^6.12.1, query-string@^6.13.8, query-string@^6.14.0:
   version "6.14.1"
   resolved "https://registry.yarnpkg.com/query-string/-/query-string-6.14.1.tgz#7ac2dca46da7f309449ba0f86b1fd28255b0c86a"
@@ -15604,11 +15543,6 @@ regenerate@^1.4.0:
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.2.tgz#b9346d8827e8f5a32f7ba29637d398b69014848a"
   integrity sha512-zrceR/XhGYU/d/opr2EKO7aRHUeiBI8qjtfHqADTwZd6Szfy16la6kqD0MIUs5z5hx6AaKa+PixpPrR289+I0A==
 
-regenerator-runtime@^0.12.0:
-  version "0.12.1"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.12.1.tgz#fa1a71544764c036f8c49b13a08b2594c9f8a0de"
-  integrity sha512-odxIc1/vDlo4iZcfXqRYFj0vpXFNoGdKMAUieAlFYO6m/nl5e9KR/beGf41z4a1FI+aQgtjhuaSlDxQ0hmkrHg==
-
 regenerator-runtime@^0.13.1, regenerator-runtime@^0.13.2, regenerator-runtime@^0.13.3, regenerator-runtime@^0.13.4:
   version "0.13.7"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.7.tgz#cac2dacc8a1ea675feaabaeb8ae833898ae46f55"
@@ -16614,13 +16548,6 @@ sort-css-media-queries@1.5.4:
   resolved "https://registry.yarnpkg.com/sort-css-media-queries/-/sort-css-media-queries-1.5.4.tgz#24182b12002a13d01ba943ddf74f5098d7c244ce"
   integrity sha512-YP5W/h4Sid/YP7Lp87ejJ5jP13/Mtqt2vx33XyhO+IAugKlufRPbOrPlIiEUuxmpNBSBd3EeeQpFhdu3RfI2Ag==
 
-sort-keys@^1.0.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-1.1.2.tgz#441b6d4d346798f1b4e49e8920adfba0e543f9ad"
-  integrity sha1-RBttTTRnmPG05J6JIK37oOVD+a0=
-  dependencies:
-    is-plain-obj "^1.0.0"
-
 sort-keys@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-2.0.0.tgz#658535584861ec97d730d6cf41822e1f56684128"
@@ -16890,11 +16817,6 @@ stream-shift@^1.0.0:
   resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.1.tgz#d7088281559ab2778424279b0877da3c392d5a3d"
   integrity sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ==
 
-strict-uri-encode@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz#279b225df1d582b1f54e65addd4352e18faa0713"
-  integrity sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=
-
 strict-uri-encode@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/strict-uri-encode/-/strict-uri-encode-2.0.0.tgz#b9c7330c7042862f6b142dc274bbcc5866ce3546"