.play-video-wrap{display:block;position:relative;min-height:150px;margin:0 auto}.play-video-wrap .play-video-btn{display:block;width:73px;height:73px;position:absolute;top:50%;left:50%;z-index:39;transform:translateX(-50%) translateY(-50%) translateZ(0);border-radius:50%;text-align:center;transition:0.3s ease}.play-video-wrap .play-video-btn:hover{transform:translateX(-50%) translateY(-50%) translateZ(0) scale(1.15)}.play-video-wrap .play-video-btn i{position:absolute;top:50%;left:56%;z-index:39;transform:translateX(-58%) translateY(-50%) translateZ(0);font-size:20px;color:#fff;transition:0.3s ease}.play-video-wrap .play-video-btn:hover i{transform:translateX(-58%) translateY(-50%) translateZ(0) scale(1.42)}.play-video-wrap .play-video-btn:before,.play-video-wrap .play-video-btn:after{content:"";border:1px solid;border-color:#bcbbb7;width:73px;height:73px;border-radius:50%;position:absolute;left:0;top:0;opacity:1;animation:1s stm_zoom linear infinite}.play-video-wrap .play-video-btn:before{animation-delay:0.5s}@keyframes stm_zoom{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.5);opacity:0}}