body{margin:0;padding:0;}
/** VIDEO **/
.videoGroup{position: relative;background-color:#000;}
.videoGroup .black{position:absolute;width: 100vw;height:100vh;background: black; opacity: 0.8;}
.videoGroup video{position: absolute;}
.videoGroup .videoClose{position: absolute;right:0;top:0;cursor: pointer;}
.videoGroup .videoQrcode{position:absolute; background: #fff;padding:10px;left:10px;top:10px;}

/**PHOTO**/
.photoGroup{position: relative;background-color:#000;width:100vw;height:100vh;}
.photoGroup .photoPreview{position: absolute;width: 80vw; height:80vh;left:10vw;top:10vh;}
.photoGroup .photoClose{position: absolute;right:0;top:0;cursor: pointer;}