FeedBunch-app/app/views/layouts/navbar/_xs_sidebar_toggle_button.html.erb
<div class="btn-group pull-right show-hide-sidebar-buttons">
<button type="button"
id="toggle-sidebar-visible"
class="navbar-toggle navbar-toggle-right"
ng-click="toggle_sidebar_visible()"
ng-show="sidebar_visible"
ng-cloak>
<i class="fa fa-rss fa-lg"></i>
<small><i class="fa fa-chevron-right"></i></small>
</button>
<button type="button"
id="toggle-sidebar-hidden"
class="navbar-toggle navbar-toggle-right"
ng-click="toggle_sidebar_visible()"
ng-hide="sidebar_visible"
ng-cloak>
<small><i class="fa fa-chevron-left"></i></small>
<i class="fa fa-folder-open fa-lg"></i>
</button>
</div>