Fix alignment of home button between tab with content and about:newtab

js/components/navigationBar.js

@@ -115,7 +115,7 @@ class NavigationBar extends ImmutableComponent {
       <div className='startButtons'>
         {
           isSourceAboutUrl(this.props.location) || this.titleMode
-          ? <span className='browserButton' />
+          ? <span className='browserButton hidden-button fa fa-repeat' />
           : this.loading
             ? <Button iconClass='fa-times'
               l10nId='stopButton'

less/navigationBar.less

@@ -619,6 +619,10 @@
 
   &:not(.titleMode) {
     .urlbarForm, .browserButton {
+      &.hidden-button {
+        animation: none;
+        animation-fill-mode: none;
+      }
       animation: fadeIn .6s;
       opacity: 0;
       animation-fill-mode: forwards;