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只使用H5和CSS3制作帶有二三級(jí)菜單的導(dǎo)航欄,下面代碼怎么改?

只使用H5和CSS3制作帶有二三級(jí)菜單的導(dǎo)航欄,下面代碼怎么改?

web_zhang 2016-07-13 17:59:41
<!DOCTYPE html><html><head><meta charset="utf-8" /><title>dddddd</title><style>body{??? margin:0;??? padding:0;??? width:100%;??? height:100%;??? background:#47c9af;;??? color:#74777b;??? font-weight:500;??? font-size:1em;??? font-family:'Raleway', Arial, sans-serif;}a:link,a:visited{text-decoration:none;list-style:none;}*, *:after, *:before{??? -webkit-box-sizing: border-box;??? -moz-box-sizing: border-box;??? -o-box-sizing: border-box;??? box-sizing: border-box;}??? /*---------------------------------------*/div{??? width: 1000px;??? height: 1000px;??? margin: 20px auto;}nav ul li { ??? width: 90px;??? height: 40px;??? list-style:none;??? float: left;??? margin: 5px 5px 0px 5px;??? background-color: #f08080;??? text-align: center;}.menu1{??? background-color: #FF00FF;}.menu3{?? background-color: #00FFFF;}.menu3 ul li{??? clear: both;??? width: 90px;??? height: 40px;??? background-color: #e9967a;??? position: relative;??? left: -45px;??? visibility: hidden;}.menu3:hover ul li{??? visibility: visible;??? color: #fff;}</style></head><body><div>??? <nav>??????? <ul>??????? <li>???????????? <a href="index.asp"><p>Home</p></a>??????? </li>??????? <li>???????????? <a href="html5_meter.asp"><p>Previous</p></a>??????? </li>??????? <li>???????????? <a href="html5_noscript.asp">??????????? <p>Next</p>??????????? <ul>??????????? <li>??????????????? <p>here</p>??????????????? <ul>??????????????? </ul>??????????? </li>??????????? <li></li>??????????? </ul>??????? </li>??????? </ul>??? </nav></div></body></html>
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