.tb_video_play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:5px solid #fff;border-radius:100%;padding:1.1em;contain:layout paint;text-align:center;z-index:1}.tb_video_play:before{content:'';width:0;height:0;border-style:solid;border-width:15px 0 15px 30px;border-color:transparent transparent transparent #fff;display:inline-block;vertical-align:middle;margin-left:3px}.tb_video_overlay:hover{opacity:.6;cursor:pointer}