Icons update + Minor style changes.

Author: jdudrak

docs/_layouts/index.html

@@ -1,15 +1,24 @@
 ---
 layout: static-site-main
 ---
-<h1>{{ page.title }}</h1>
-
-{{ content }}
-
-<h2>Table of Contents</h2>
-<ul class="table-of-contents">
-  {% for subpage in site.subpages %}
-      <li>
-          <a href="{{ subpage.url }}">{{ subpage.title }}</a>
-      </li>
-  {% endfor %}
-</ul>
+
+<main>
+  <header>
+    {% if urls.editSource %}
+    <!--<a class="text-button with-link body-small" href="{{ urls.editSource }}">Edit this page on GitHub</a>-->
+    {% endif %}
+    <h1 class="h600">{{ page.title }}</h1>
+  </header>
+
+  {{ content }}
+
+  <h2 class="h500">Table of Contents</h2>
+  <ul class="table-of-contents">
+    {% for subpage in site.subpages %}
+        <li>
+            <a href="{{ subpage.url }}">{{ subpage.title }}</a>
+        </li>
+    {% endfor %}
+  </ul>
+
+</main>