section.banner{padding-bottom:56.25%;position:relative;width:100%}section.banner .video-preview,section.banner .video-preview .play-btn-wrp .play-btn img,section.banner iframe{height:100%;left:0;position:absolute;top:0;width:100%}section.banner iframe{border:none}section.banner .video-preview{cursor:pointer;z-index:9}section.banner .video-preview .thumbnail{height:100%;object-fit:cover;width:100%}section.banner .video-preview .play-btn-wrp{left:50%;position:absolute;top:58%;transform:translate(-50%,-50%);width:8%}section.banner .video-preview .play-btn-wrp .play-btn{padding-bottom:100%;position:relative;width:100%}