html,body{padding:0;margin:0}.primary-video{position:absolute;width:100%;height:100%;object-fit:cover;background-color:#000}.secondary-video{position:absolute;width:30%;height:30%;margin:16px;border-radius:16px;object-fit:cover;background-color:gray}.video{position:absolute;height:100%;width:100%;border-radius:16px;object-fit:cover}