redo the anchor css in scss, comment out unused code, add our own styles /cc @XhmikosR

docs/assets/scss/_anchor.scss

-/**
-* Store the link icon as a base64 embedded icon font.
-*/
+//
+// Store the link icon as a base64 embedded icon font.
+//
 @font-face {
-  font-family: 'anchorjs-link';
+  font-family: 'anchorjs-icons';
   src: url(data:application/x-font-ttf;charset=utf-8;base64,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) format('truetype'),
   url(data:application/font-woff;charset=utf-8;base64,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) format('woff');
-  font-weight: normal;
   font-style: normal;
+  font-weight: normal;
 }
 
 .anchorjs-icon {
-  font-family: 'anchorjs-link';
-  speak: none;
+  font-family: 'anchorjs-icons';
   font-style: normal;
-  font-weight: normal;
   font-variant: normal;
-  text-transform: none;
+  font-weight: normal;
   line-height: 1;
+  speak: none;
+  text-transform: none;
 
-  /* Better Icon Rendering */
+  // Better Icon Rendering
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
 
-/**
-* Link placement and hover behavior.
-*/
+//
+// Link placement and hover behavior.
+//
 .anchorjs-link {
-  float: left;
-  width: 1em;
-  height: 1em;
-  margin-left: -1.2em;
   opacity: 0;
-  color: inherit;
-  text-align: center;
-}
-
-@media (max-width: 480px) {
-  .anchorjs-link {
-    display: none;
-  }
+  text-decoration: none;
 }
-
 *:hover > .anchorjs-link,
 .anchorjs-link:focus  {
-  opacity: .75;
+  // To fade links as they appear, change transition-property from 'color' to 'all'
+  opacity: 1;
   transition: color .16s linear;
 }
+
+//
+// Make screen-reader friendly description text visually hidden.
+//
+.anchorjs-description {
+  border: 0;
+  clip: rect(0 0 0 0);
+  height: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: absolute;
+  width: 1px;
+}
+
+//
+// Reasonable default styles.
+// Feel free to override or replace these with your own.
+//
+// .anchorjs-link:link    { color: #DFD487; }
+// .anchorjs-link:visited { color: #DFD487; }
+// .anchorjs-link:hover   { color: #EC7963; }
+// .anchorjs-link:active  { color: #EC7963; }
+
+.anchorjs-link {
+  float: left;
+  width: 1.2em;
+  height: 1em;
+  padding-right: .2em;
+  margin-top: .25em;
+  margin-left: -1.2em;
+  font-size: 70%;
+  color: inherit;
+  text-align: center;
+}
 *:hover > .anchorjs-link:hover {
-  opacity: 1;
+  color: $brand-primary;
   text-decoration: none;
 }
-.anchorjs-icon {
-  font-size: 60%;
-  vertical-align: .2em;
-}
+
+// .anchorjs-icon {
+//   font-size: 90%;
+//   padding-left: 6px;
+// }
+
 .anchorjs-icon:before {
-  content: "\e600";
+  content: '\e600';
+  // alternative icons -- uncomment to use
+  //
+  // content: '#';
+  // content: '¶';
+  // content: '❡';
+  // content: '§';
+}
+
+@include media-breakpoint-down(sm) {
+  .anchorjs-link {
+    display: none;
+  }
 }