@media (max-width: 767px) {
     .big-container {
         display: none;
     }
 }
 @media (min-width: 12000px) {
     .small-container {
         display: none;
     }
 }
 /* Responsive iFrame */
 .responsive-iframe-container {
     position: relative;
     padding-bottom: 65.25%;
     padding-top: 30px;
     height: 0;
     overflow: hidden;
 }
 .responsive-iframe-container iframe,   
 .vresponsive-iframe-container object,  
 .vresponsive-iframe-container embed {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
 }