Removed trailing white space

build/less/navs.less

@@ -166,9 +166,7 @@
   > li > a {
     background: #fafafa;
     color: #666;
+    .border-radius(0)!important;
   }
-  > li:first-of-type a,
-    > li:last-of-type a {
-    .border-radius(0);
-  }
+
 }