Update starter template to include left/right padding on inner container; also include body padding

docs/examples/starter-template.html

@@ -25,8 +25,11 @@
 
     <!-- Custom styles for this template -->
     <style>
+      body {
+        padding-top: 50px;
+      }
       .starter-template {
-        padding: 60px 0;
+        padding: 40px 15px;
         text-align: center;
       }
     </style>