这是我的 html,我的 css 在我正在构建下拉菜单的 html 之后 导航。它在实时 View 中有效,但在任何测试浏览器中均无效 我的页面没有链接。为什么?有人可以帮忙吗?谢谢...
<!DOCTYPE html>
<html lang="en">
<head>
<title>index</title>
<meta charset="utf-8".
<link href="style.css" rel="stylesheet" type="text/css">
</head>
<body>
<nav>
<div align="center">
<ul>
<li><a href="../index.html">Home</a></li>
<li><a href="about us">AboutUs</a>
<ul>
<li><a href="policy">Policy</a></li>
<li><a href="procedures">Procedures</a></li>
</ul>
</li>
<li><a href="websites">Websites</a>
<ul>
<li><a href="templates">Templates</a></li>
<li><a href="customized">Customized</a></li>
</ul>
</li>
<li><a href="codes">Codes</a>
<ul>
<li><a href="html5">HTML5</a></li>
<li><a href="css3">CSS3</a></li>
</ul>
</li>
<li><a href="contact us">Contact Us</a></li>
</ul>
</div>
</nav>
<div align="center"><img src="simple_img_2.jpg" width="970" height="450"></div>
</body>
</html>
CSS:
nav ul ul {
display: none;
}
nav ul li:hover > ul {
display: block;
}
nav ul {
background: #efefef;
background: linear-gradient(top, #efefef 0%, #bbbbbb 100%);
background: -moz-linear-gradient(top, #efefef 0%, #bbbbbb 100%);
background: -webkit-linear-gradient(top, #efefef 0%,#bbbbbb 100%);
box-shadow: 0px 0px 9px rgba(0,0,0,0.15);
padding: 0 20px;
border-radius: 10px;
list-style: none;
position: relative;
display: inline-table;
}
nav ul:after {
content: ""; clear: both; display: block;
}
nav ul li {
float: left;
}
nav ul li:hover {
background: #4b545f;
background: linear-gradient(top, #4f5964 0%, #5f6975 40%);
background: -moz-linear-gradient(top, #4f5964 0%, #5f6975 40%);
background: -webkit-linear-gradient(top, #4f5964 0%,#5f6975 40%);
}
nav ul li:hover a {
color: #fff;
}
nav ul li a {
display: block; padding: 25px 40px;
color: #757575; text-decoration: none;
}
nav ul ul {
background: #5f6975; border-radius: 0px; padding: 0;
position: absolute; top: 100%;
}
nav ul ul li {
float: none;
border-top: 1px solid #6b727c;
border-bottom: 1px solid #575f6a;
position: relative;
}
nav ul ul li a {
padding: 15px 40px;
color: #fff;
}
nav ul ul li a:hover {
background: #4b545f;
}
<div align="center">
<ul>
<li><a href="../index.html">Home</a></li>
<li><a href="../aboutus.html">AboutUs</a>
<ul>
<li><a href="../policy.html">Policy</a></li>
<li><a href="../procedures.html">Procedures</a></li>
</ul>
</li>
<li><a href="../websites.html">Websites</a>
<ul>
<li><a href="../templates.html">Templates</a></li>
<li><a href="../customized.html">Customized</a></li>
</ul>
</li>
<li><a href="../codes.html">Codes</a>
<ul>
<li><a href="../html5.html">HTML5</a></li>
<li><a href="../css3.html">CSS3</a></li>
</ul>
</li>
<li><a href="../contactus.html">Contact Us</a></li>
</ul>
</div>
我想你忘记了除 index.html 之外的所有链接的扩展文件。它应该是“policy.html”或类似的东西,并且它必须存在(这意味着您已经创建了那些文件)。
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