Merge pull request #2137 from brkcvn/responsive-show-hide

Responsive control edited as Boostrap show-hide classname.(#9hzxey)

resources/views/partials/widgets/standard_header.blade.php

@@ -6,7 +6,7 @@
             <h4 class="mb-0 long-texts" title="{{ $class->model->name }}">{{ $class->model->name }}</h4>
         </div>
 
-        <div class="col-2 hidden-sm">
+        <div class="col-2">
             <span class="float-right">
                 <div class="dropdown">
                     <a class="btn btn-sm items-align-center py-2 mr-0 shadow-none--hover" href="#" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">