#iframe-map{
    height: calc(100vh - 60px)
 }
 .visually-hidden {
   position: absolute;
   width: 1px;
   height: 1px;
   margin: -1px;
   padding: 0;
   border: 0;
   overflow: hidden;
   clip: rect(0, 0, 0, 0);
   clip-path: inset(50%);
   white-space: nowrap;
}
 @media(max-width:768px){
   #iframe-map{
      height: 100vh
   }
 }