Fix page controller and action IDs

- Also fix affected CSS and JS files

app/views/static/contact.html.erb

@@ -1,9 +1,13 @@
-<h1>Contact</h1>
+<div id="c-static">
+  <div id="a-contact">
+    <h1>Contact</h1>
 
-<h2>Questions &amp; Comments</h2>
+    <h2>Questions &amp; Comments</h2>
 
-<p>You can reach the administrator of this site at <%= mail_to Danbooru.config.contact_email, nil, :encode => :hex %>.</p>
+    <p>You can reach the administrator of this site at <%= mail_to Danbooru.config.contact_email, nil, :encode => :hex %>.</p>
 
-<% content_for(:page_title) do %>
-  Contact - <%= Danbooru.config.app_name %>
-<% end %>
+    <% content_for(:page_title) do %>
+      Contact - <%= Danbooru.config.app_name %>
+    <% end %>
+  </div>
+</div>