.video-box{text-align:center;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}#video-class{width:65vh;height:auto;margin:0 auto;margin-top:2vh;border:1px solid}.commment_content{font-size:2vh;color:#000;margin:2vh}.commment_img{width:15vh;height:15vh;margin:2vh;border-radius:10px}