@charset "utf-8";
.related-problem{ height: 138px;background: #fafafa; padding: 20px 0 0 20px; }
.related-problem h4{line-height: 30px; height: 30px;}
.related-problem ul li{line-height: 30px; height: 30px;width: 255px;}
.related-problem ul li i{display: inline-block;float: left;width: 10px;font-size: 20px; color: #888;}