Update v0.5 docs

0.5/css/base.css

@@ -1,12 +1,9 @@
-body {
-    padding-top: 70px;
+html {
+    scroll-padding-top: 70px;
 }
 
-h1[id]:before, h2[id]:before, h3[id]:before, h4[id]:before, h5[id]:before, h6[id]:before {
-    content: "";
-    display: block;
-    margin-top: -75px;
-    height: 75px;
+body {
+    padding-top: 70px;
 }
 
 p > img {
@@ -103,7 +100,8 @@ div.source-links {
     .bs-sidebar.affix {
         position: fixed; /* Undo the static from mobile first approach */
         top: 80px;
-        max-height: calc(100% - 90px);
+        max-height: calc(100% - 180px);
+        overflow-y: auto;
     }
     .bs-sidebar.affix-bottom {
         position: absolute; /* Undo the static from mobile first approach */
@@ -228,6 +226,16 @@ div.source-links {
 }
 /* End Bootstrap Callouts CSS Source by Chris Pratt */
 
+/* Headerlinks */
+.headerlink {
+    display: none;
+    padding-left: .5em;
+}
+
+h1:hover .headerlink, h2:hover .headerlink, h3:hover .headerlink, h4:hover .headerlink, h5:hover .headerlink, h6:hover .headerlink {
+    display: inline-block;
+}
+
 /* Admonitions */
 .admonition {
     padding: 20px;