Improve spacing of drawer elements

framework/core/less/lib/App.less

@@ -188,8 +188,10 @@
     text-align: center;
   }
   .Header-controls {
+    margin-top: 10px;
+    
     > li {
-      padding: 0px 10px 0;
+      padding: 0 10px 0;
     }
     .FormControl, .ButtonGroup, .Button {
       width: 100%;
@@ -201,6 +203,9 @@
       }
     }
   }
+  .Header-secondary .Search {
+    margin: 10px 0;
+  }
 }
 
 // On other devices, we stick the header up the top of the page, overlaying