website css cleanups + dropdown in top toolbar

css/all-web.css

@@ -119,6 +119,13 @@ li {
 	line-height: 1.5em;
 }
 
+hr {
+  margin: 18px 0;
+  border: 0;
+  border-top: 1px solid #e5e5e5;
+  border-bottom: 1px solid #ffffff;
+}
+
 a:active { outline:none; }
 
 :focus { -moz-outline-style:none; }
@@ -1044,6 +1051,14 @@ h1 {
 	margin-bottom: 15px;
 }
 
+h2 {
+	margin-bottom: 11px;
+}
+
+h3 {
+	margin-bottom: 7px;
+}
+
 pre {
     background-color: #F8F8F8;
     border: 1px solid #CCCCCC;
@@ -1078,13 +1093,6 @@ header .topbar .container {
 	margin-bottom: 20px;
 }
 
-.web-main-section p,
-.web-main-section h4,
-.web-main-section h5,
-.web-main-section pre  {
-	margin-left: 9px;
-}
-
 .web-side-section {
 	width: 30%;
 	float: right;