* ajusted style of document.

assets/css/doc.css

@@ -16,7 +16,7 @@ body
   top: 0;
   padding: 20px 40px;
   background-color: #fff;
-  max-width: 1500px;
+  max-width: 1200px;
   min-width: 800px;
   height: auto;
   box-shadow:0px 1px 15px rgba(0,0,0,0.5);
@@ -48,4 +48,5 @@ body
 #main > .page-header
 {
   border-width: 4px;
+  margin-bottom: 20px;
 }