body {
    margin: 0 !important;
    padding: 0 !important;

}
#iframe {
    position: fixed;
    width: 100%;
    height: 100%;
    border: none;
    left: 0;    
    overflow: hidden;
}
#dropdown{
    z-index: 9999;
    position: fixed;
    top: 5px;
    left: 5px;
    background: rgb(0, 195, 255);
    color: rgb(0, 0, 0);
    border: none;
    border-radius: 12px;
    padding: 6px
}
#refresh{
    z-index: 9999;
    position: fixed;
    top: 5px;
    right: 5px;
    background: rgb(0, 195, 255);
    color: rgb(0, 0, 0);
    border: none;
    border-radius: 12px;
    padding: 6px
}