Fix docs (new theme soon-ish)

Author: 0t4u

docs/assets/highlight.css

@@ -1,5 +1,5 @@
 :root {
-    --light-code-background: #FFFFFF;
+    --light-code-background: #F5F5F5;
     --dark-code-background: #1E1E1E;
 }
 

docs/assets/main.js

@@ -152,6 +152,15 @@ body.dark {
     --external-icon: var(--dark-external-icon);
 }
 
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+    line-height: 1.2;
+}
+
 h1 {
     font-size: 2em;
     margin: 0.67em 0;
@@ -1386,3 +1395,19 @@ input[type="checkbox"]:checked + .tsd-widget:before {
 img {
     max-width: 100%;
 }
+
+.tsd-anchor-icon {
+    margin-left: 10px;
+    vertical-align: middle;
+    color: var(--color-text);
+}
+
+.tsd-anchor-icon svg {
+    width: 1em;
+    height: 1em;
+    visibility: hidden;
+}
+
+.tsd-anchor-link:hover > .tsd-anchor-icon svg {
+    visibility: visible;
+}