md-toolbar(class="main-nav background-regal l-pinned-top l-layer-5",scroll-y-offset-element) nav h1 Angular by Google button(class="main-nav-button main-nav-mobile-trigger l-right" aria-label="View Menu" ng-click="appCtrl.toggleMainMenu($event)" md-button) Site Menu ul(ng-class="appCtrl.showMainNav ? 'is-visible' : ''") li.l-left Features li.l-left Docs li.l-left About li.l-left Contribute li.l-right.feedback-button feedback