<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"/> <title>这是标题</title> <style type="text/css"> #title { width: 1015px; height: 50px; background-color: #e8e7e3; color: gray; font-weight: 500; font-family: 'Microsoft YaHei', Arial, Helvetica, sans-serif; position: absolute; left: 50%; margin-top: 40px; margin-left: -605px; } .one { padding-top: 15px; margin:0px 5px 0px 5px; float: left; display: block; background-color: darkgrey; text-align: center; width: 135px; height: 35px; } .one:hover { background-color: royalblue; color: white; } </style> </head> <body> <div id="title"> <div class="one">HTML/CSS</div> <div class="one">JavaScript</div> <div class="one">Server Side</div> <div class="one">ASP.NET</div> <div class="one">XML</div> <div class="one">Web Servies</div> <div class="one">Web Building</div> </div> </body> </html>