.block{background:#fff;padding:10em calc((100% - 1200px)/2)}.block .block-title{margin-bottom:3.5em;font-size:2em;font-weight:400}.block .block-title span{border-bottom:2px solid #1890ff;padding:.3em}@media screen and (max-width:1200px){.block{padding-left:5em;padding-right:5em}}