Html enhancements

* adds some bootstrap enhancements for responsiveness

user/templates/user/index.html

@@ -3,7 +3,7 @@
 
 {% block body %}
     <div class="row">
-        <div class="col-md-3 border">
+        <div class="col-md-6 col-lg-4 border">
             <table class="table">
                 <tr>
                     <th scope="row">{% trans 'Username' %}</th>