.wv_default_video{width: 100%; height: 300px;}
.wv_default_video[data-wv-layout-element-type="video"]{background-color: #efefef;}
.wv_default_video[data-wv-layout-element-type="video"]:after{content: ""; display: inline-block; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 76px; height: 76px; background-image: url('/weven_template/block/video_basic/resource/img/play_btn_white.png');}
.wv_default_video[data-wv-layout-element-type="video"].changed:after{content: none !important;}