iframe {
    overflow-x: hidden;
    overflow-y: scroll;
}

#video_main {
    position: absolute; 
    top: 0;
    left:0;
}

#video_parent_comments {
    position: absolute; 
    top: 570px;
    left: 400px;
    width: 494px;
    height: 548px;
    padding: 2px;
    background: white;
/*
    border-width: 1px;
    border-color: red; 
    border-style: solid; */
}