.mc-video{width:100%;height:100%}.mc-video .is-tag-video{width:100%;height:100%}.mc-video .mc-video__placeholder{display:flex;justify-content:center;align-items:center;background:#000;width:100%;height:100%}.mc-video .mc-video__placeholder .is-tag-div{width:0;height:0;border:40rpx solid #000;border-left:60rpx solid white;transform:translateX(30rpx)}