.youtube{background-color:#efefef;position:relative;padding-top:56.25%;overflow:hidden;cursor:pointer}.youtube:hover .play-button{width:160px;height:160px}.youtube .play-button{width:140px;height:140px;background-color:#000;z-index:1;opacity:0.8;border-radius:100%;-webkit-transition:width 0.2s,height 0.2s;transition:width 0.2s,height 0.2s}.youtube .play-button:before{content:"";border-style:solid;border-width:25px 0 25px 40px;border-color:transparent transparent transparent #fff}.youtube img{width:100%;top:0;left:0}.youtube .play-button,.youtube img{cursor:pointer}.youtube iframe{height:100%;width:100%;top:0;left:0}.youtube .play-button,.youtube .play-button:before,.youtube iframe,.youtube img{position:absolute}.youtube .play-button{top:50%;left:50%;-webkit-transform:translate3d(-50%,-50%,0);transform:translate3d(-50%,-50%,0)}.youtube .play-button:before{top:50%;left:52%;-webkit-transform:translate3d(-50%,-50%,0);transform:translate3d(-50%,-50%,0)}