标签：display nbsp pre content class ott abs otto 像素
.border-1px{ position: relative; } .border-1px:after { display: block; position: absolute; left: 0; bottom: 0; border-top: 1px solid #ccc; width: 100%; content: ‘‘; }
标签：display nbsp pre content class ott abs otto 像素
原文地址：http://www.cnblogs.com/John-blogs/p/6945973.html
