swap styles tag with link tag

app/content-scripts/rewards/index.jsx

@@ -25,7 +25,6 @@ import OfferCard from './OfferCard';
 import msgModule from '../utils/msg';
 import history from '../../panel/utils/history';
 import globals from '../../../src/classes/Globals';
-import styles from '../../../dist/css/rewards_styles.css';
 
 const msg = msgModule('rewards');
 const { sendMessage } = msg;
@@ -101,7 +100,11 @@ class RewardsApp {
 			<Router history={history}>
 				<div id="ghostery-shadow-root">
 					<ShadowDOM.span>
-						<style type="text/css">{styles}</style>
+						<link
+							rel="stylesheet"
+							type="text/css"
+							href={chrome.extension.getURL('dist/css/rewards_styles.css')}
+						/>
 						<Route
 							exact
 							path="/"

package.json

@@ -102,7 +102,6 @@
     "react-test-renderer": "^16.8.6",
     "redux-mock-store": "^1.5.1",
     "sass-loader": "^7.1.0",
-    "to-string-loader": "^1.1.5",
     "seamless-immutable": "^7.1.3",
     "sinon": "^7.3.2",
     "sinon-chrome": "^3.0.1",

webpack.config.js

@@ -119,9 +119,6 @@ module.exports = {
 				use: {
 					loader: 'underscore-template-loader'
 				}
-			}, {
-				test: /\.css$/,
-				loader: ['to-string-loader', 'css-loader'],
 			}, {
 				test: /\.(js|jsx)$/,
 				include: [SHARED_COMP_DIR, PANEL_ANDROID_DIR, PANEL_DIR, HUB_DIR, LICENSES_DIR, CONTENT_SCRIPTS_DIR, REWARDS_DIR],

yarn.lock

@@ -4232,7 +4232,7 @@ loader-utils@1.2.3, loader-utils@^1.0.1, loader-utils@^1.0.2, loader-utils@^1.1.
     emojis-list "^2.0.0"
     json5 "^1.0.1"
 
-loader-utils@^0.2.11, loader-utils@^0.2.16:
+loader-utils@^0.2.11:
   version "0.2.17"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
   dependencies:
@@ -6796,12 +6796,6 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
-to-string-loader@^1.1.5:
-  version "1.1.5"
-  resolved "https://registry.yarnpkg.com/to-string-loader/-/to-string-loader-1.1.5.tgz#7b7aa17891b7bb4947a7a11bfb03b5fde9c6e695"
-  dependencies:
-    loader-utils "^0.2.16"
-
 tooltipster@^4.2.6:
   version "4.2.6"
   resolved "https://registry.yarnpkg.com/tooltipster/-/tooltipster-4.2.6.tgz#fbf7a3f5b40bd83e81574e28d9667cf82667bc79"