style(ngdocs): fix minor CSS issues

Author: clbn

docs/src/templates/css/doc_widgets.css

@@ -15,7 +15,7 @@ ul.doc-example > li {
 
 ul.doc-example > li.doc-example-heading {
   border: none;
-  border-radius: none;
+  border-radius: 0;
   margin-bottom: -10px;
 }
 

docs/src/templates/css/docs.css

@@ -372,7 +372,7 @@ ul.events > li > h3 {
   content:"";
   position:absolute;
   left:50%;
-  top:0px;
+  top:0;
   margin-left:-10px;
   border-width:10px;
   border-style:solid;

docs/src/templates/index.html

@@ -121,7 +121,7 @@
     <div class="navbar navbar-inverse navbar-fixed-top">
       <div class="navbar-inner">
         <div class="container">
-          <a class="brand" href="http://angularjs.org" style="padding-top: 6px; padding-bottom: 0px;">
+          <a class="brand" href="http://angularjs.org" style="padding-top: 6px; padding-bottom: 0;">
             <img class="AngularJS-small" src="http://angularjs.org/img/AngularJS-small.png">
           </a>
           <ul class="nav">