Index table enhancement

* minor changes

templates/generic_index.html

@@ -1,7 +1,5 @@
 {% extends 'base.html' %}
 
 {% block body %}
-    <div class="style-2">
     {% include 'table.html' %}
-    </div>
 {% endblock %}

templates/table.html

@@ -25,7 +25,7 @@
             Search input and rpp selector
         {% endcomment %}
         <div class="row my-1">
-            <div class="col-sm-12 col-md">
+            <div class="col-sm-12 col-md-8 col-lg-6">
                 <form method="get" action="{{table.filter}}">
                     <div class="input-group">
                         <input type="text" class="form-control" aria-label="{% trans 'Search for keywords' %}" placeholder="{% trans 'Search' %}">