Emphasize different server type sections

Author: carlbennett

src/static/a/servers.css

@@ -1,6 +1,6 @@
 /**
  *  BNETDocs, the Battle.net(TM) protocol documentation and discussion website
- *  Copyright (C) 2008-2017  Carl Bennett
+ *  Copyright (C) 2008-2018  Carl Bennett
  *  This file is part of BNETDocs.
  *
  *  BNETDocs is free software: you can redistribute it and/or modify
@@ -35,6 +35,11 @@
     display: block;
   }
 }
+table.servers th,
+table.serverview th {
+  border-bottom-width: 3px;
+  border-top-width: 3px;
+}
 table.serverview tr th:first-child {
   width: 100px;
 }