.doi-tac {padding:20px;margin:10px 0;background:#fff;border-radius:5px;overflow:hidden}
.doi-tac h2 {text-align:center;width:100%;margin-bottom:20px;}
.doi-tac .doi-tac-scroll {text-align:center;}
.doi-tac .doi-tac-scroll img {height:60px;}