.video-box{width:100%;height:4rem;overflow:hidden;position:relative}.video-box .my-poster{background-repeat:no-repeat;background-size:cover;position:absolute;top:0;left:0;width:100%;height:100%}.video-box .vcp-error-tips{opacity:0}.video-box .error-msg{position:absolute;top:0;left:0;width:100%;height:3rem;line-height:40px;background:-webkit-gradient(linear,left top,left bottom,from(rgba(0,0,0,.5)),to(transparent));background:linear-gradient(rgba(0,0,0,.5),transparent);color:#fff;padding:0 20px;-webkit-box-sizing:border-box;box-sizing:border-box;text-align:center;font-size:14px}