#map {
    position: relative; 
    padding-bottom: 36%; /* 16:9 ratio for responsive */ 
    height: 0; 
    overflow: hidden; 
    background:transparent; /* does the trick */
    z-index:98; /* does the trick */
}
#map iframe { 
    pointer-events:none; /* does the trick */
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100% !important; 
    height: 100% !important; 
    z-index:97; /* does the trick */
}