Merge pull request #1056 from vazquez/navigation-layout-improvements

Improving large breakpoint style in Teach subnav

less/angular/components/navigation.less

@@ -90,6 +90,9 @@
   }
   .col-3 {
     width: 33%;
+    @media screen and (min-width: @screen-lg-min) {
+      width: 15%;
+    }
   }
   > li {
     @media screen and (min-width: @screen-sm-min) {