| 发表于:2007-08-15 20:59:462楼 得分:20 |
要实现固定效果,需要使用 <!doctype html public "-//w3c//dtd html 4.0//en " "http://www.w3.org/tr/rec-html40/strict.dtd "> 例如 <!doctype html public "-//w3c//dtd html 4.0//en " "http://www.w3.org/tr/rec-html40/strict.dtd "> <body> <p> a </p> <p> a </p> <p> a </p> <table width=200> <tr valign= "top "> <td height=300 class=menu> ff </td> </tr> </table> <style> .menu { background-color:#ffffff; background-image: url( "http://img2.265.com/pic/h004/h99/img20060914080546030.jpg "); background-repeat: no-repeat; background-attachment: fixed; } </style> <p> a </p> <p> a </p> <p> a </p> <p> a </p> | | |
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