.embed-container {
   
   width: 100%;
   padding-bottom: 200%; /* play with this until right */
   overflow: hidden;
   position: relative;
}


::-webkit-scrollbar { 
    display: none; 
}


.embed-container iframe {
   width: 100%;
   height: 100%;
   position: absolute;
   
   top: 0;
   left: 0;
}