Merged website style changes from trunk.

src/site/resources/css/site.css

@@ -23,7 +23,7 @@
 }
 
 h2 {
-  padding: 4px 4px 4px 6px;
+  padding: 0;
   border: none;
   color: black;
   background-color: white;
@@ -32,7 +32,7 @@ h2 {
   text-align: center;
 }
 h3 {
-  padding: 4px 4px 4px 6px;
+  padding: 0;
   border: none;
   color: black;
   background-color: white;
@@ -40,7 +40,7 @@ h3 {
   font-size: large;
 }
 h4 {
-  padding: 4px 4px 4px 6px;
+  padding: 0;
   border: none;
   background-color: white;
   color: black;
@@ -49,7 +49,7 @@ h4 {
 }
 
 h5 {
-  padding: 4px 4px 4px 6px;
+  padding: 0;
   background-color: white;
   color: black;
 }