Big theme button (#59)

Author: jbampton

doc/source/_static/custom.css

@@ -188,4 +188,10 @@ body div.body ul li:nth-child(6) {
 
 body.dark .icon-grid .icon {
   background-color: #f3e5ab;
-}
+}
+
+.btn-theme-toggle {
+    height: 65px;
+    width: 65px;
+    font-size: 3em;
+}

doc/source/_templates/theme_switcher_sidebar.html

@@ -1,6 +1,7 @@
 <h3>Theme Switcher</h3>
-<p class="theme-toggle-container">
+<div class="theme-toggle-container">
     <button id="theme-toggle" class="btn-theme-toggle">
         🌙
     </button>
-</p>
+    <span id="theme-tooltip" class="tooltip"></span>
+</div>