.catalogue-container {
        padding-top: 80px;
        
    }

    .catalogue-tabs {
        width: 100%; 
        float: left;
    }
    .catalogue-tabs li {
        display: inline-block;
        font-size: 0.85em;
        margin: 0;
       

    }
   .tab-pane {
    margin-top:20px;
   }
    .catalogue-tabs > li >a:hover {
        color: #337ab7;
    }
    .catalogue-tabs > li.active > a, .catalogue-tabs > li.active > a:hover, .catalogue-tabs > li.active > a:focus { 
        background-color: #99cc66;
        color: white;
    }

    .catalogue-iframe { 
        clear:both;
        float:left;
        width: 100%;
        
    }
   
    .tab_header h2{
        display: none;
    }
    #myTabContent {
        clear:both;
        float: left;
        width: 100%;
        padding-bottom: 50px;

    }
@media (min-width: 600px) {
    .catalogue-container {
        
        min-height: 400px;
    }

    .catalogue-tabs {
        width: 20%; 
        float: left;
    }
    .catalogue-tabs li {
        display: block;
        width: 90%;
        font-size: 1.1em;

    }
   
      .tab_pane {
        margin-top: 45px;
    }
    

    .catalogue-iframe { 
        clear: none;
        width: 100%;
        height: 500px;
    }
      #myTabContent {
        clear: none;
        float: left;
        width: 80%;
        padding-bottom: 50px;

    }
     .tab_header h2{
        display: block;
    }
}