Use normalize.css and remove a lot of unused styles from bootstrap.css

client/css/style.css

@@ -1,5 +1,5 @@
+@import "../../node_modules/normalize.css/normalize.css";
 @import "fontawesome.css";
-@import "bootstrap.css";
 @import "../../node_modules/primer-tooltips/build/build.css";
 
 :root {
@@ -47,6 +47,47 @@
 	opacity: 1; /* fix opacity in Firefox */
 }
 
+html {
+	box-sizing: border-box;
+}
+
+*,
+*::before,
+*::after {
+	box-sizing: inherit;
+}
+
+input,
+button,
+select,
+textarea {
+	font: inherit;
+	color: inherit;
+}
+
+img {
+	vertical-align: middle;
+}
+
+.sr-only {
+	position: absolute;
+	width: 1px;
+	height: 1px;
+	margin: -1px;
+	padding: 0;
+	overflow: hidden;
+	clip: rect(0, 0, 0, 0);
+	border: 0;
+}
+
+abbr[title] {
+	cursor: help;
+}
+
+.pull-right {
+	float: right !important;
+}
+
 html,
 body {
 	height: 100%;
@@ -73,22 +114,17 @@ a,
 a:hover,
 a:focus {
 	color: var(--link-color);
+	text-decoration: none;
 }
 
 a:hover {
 	text-decoration: underline;
 }
 
-/**
+a:focus {
- * From Normalize. See https://github.com/thelounge/thelounge/pull/1217
+	outline: thin dotted;
- * 1. Remove the bottom border in Chrome 57- and Firefox 39-.
+	outline: 5px auto -webkit-focus-ring-color;
- * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+	outline-offset: -2px;
- */
-
-abbr[title] {
-	border-bottom: none; /* 1 */
-	text-decoration: underline; /* 2 */
-	text-decoration: underline dotted; /* 2 */
 }
 
 h1,

package.json

@@ -96,6 +96,7 @@
     "mocha": "6.2.2",
     "mochapack": "1.1.13",
     "mousetrap": "1.6.3",
+    "normalize.css": "8.0.1",
     "npm-run-all": "4.1.5",
     "nyc": "14.1.1",
     "postcss-import": "12.0.1",

yarn.lock

@@ -5835,6 +5835,11 @@ normalize-url@^4.1.0:
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
   integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
 
+normalize.css@8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/normalize.css/-/normalize.css-8.0.1.tgz#9b98a208738b9cc2634caacbc42d131c97487bf3"
+  integrity sha512-qizSNPO93t1YUuUhP22btGOo3chcvDFqFaj2TRybP0DMxkHOCTYwp3n34fel4a31ORXy4m1Xq0Gyqpb5m33qIg==
+
 npm-bundled@^1.0.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.1.1.tgz#1edd570865a94cdb1bc8220775e29466c9fb234b"