.tb_popup_video_wrapper img{width:100%;height:auto}.tb_popup_video_wrapper a{display:block;overflow:hidden;position:relative;outline:0}.tb_ripple_btn{animation:pulse 1s infinite;color:#31aaa2;position:absolute;top:50%;max-width:88px;font-size:100px;z-index:5;transform:translateY(-50%);margin:0 auto;left:0;right:0;text-align:center;height:88px;line-height:77px;border-radius:50%;overflow:hidden}.tb_ripple_btn i{margin-top:-6px}@-webkit-keyframes pulse{0%{-webkit-box-shadow:0 0 0 0 rgba(49,170,162,0.4)}70%{-webkit-box-shadow:0 0 0 10px rgba(49,170,162,0)}100%{-webkit-box-shadow:0 0 0 0 rgba(49,170,162,0)}}@keyframes pulse{0%{-moz-box-shadow:0 0 0 0 rgba(49,170,162,0.4);box-shadow:0 0 0 0 rgba(49,170,162,0.4)}70%{-moz-box-shadow:0 0 0 10px rgba(49,170,162,0);box-shadow:0 0 0 10px rgba(49,170,162,0)}100%{-moz-box-shadow:0 0 0 0 rgba(49,170,162,0);box-shadow:0 0 0 0 rgba(49,170,162,0)}}