<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> span{ width: 100px; text-align: justify; float: left; } span:after{ content:‘.‘; width: 100%; display: inline-block; overflow: hidden; height: 0; } input{ width: 100px; } </style> </head> <body> <div class="demo"> <span>昵称</span>：<input type="text" style = ‘width: 100px‘><br><br> <span>电子邮箱</span>：<input type="email" style = ‘width: 100px;‘> </div> </body> </html>
原文：http://www.cnblogs.com/moxiaowohuwei/p/7728124.html