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對不起，我又回到了另一個問題。我試圖通過刪除一些<div>標籤<section>,<header>等我的HTML頁面轉換爲HTML5。下拉菜單不再工作 - 下拉欄之間出現很大的差距。有人會介意看看嗎？提前致謝。HTML 5下拉菜單
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Home Page</title>
<link rel="stylesheet" href="css.css"/>
</head>
<body>
<div id= "container">
<header>
<img src="images/title.jpg"/>
</header>
<nav>
<ul class="navbar">
<li>
<a href="#">Home</a>
</li>
<li>
<a href="#">HTML5</a>
<ul>
<li>
<a href="#">Tutorial 1</a>
</li>
<li>
<a href="#">Tutorial 2</a>
</li>
<li>
<a href="#">Tutorial 3</a>
</li>
</ul>
</li>
<li>
<a href="#">CSS3</a>
<ul>
<li>
<a href="#">Tutorial 1</a>
</li>
<li>
<a href="#">Tutorial 2</a>
</li>
<li>
<a href="#">Tutorial 3</a>
</li>
</ul>
</li>
<li>
<a href="#">Links</a>
</li>
<li>
<a href="#">Contact</a>
</li>
</ul>
</nav>
<section>
<h2>Home Page</h2>
<p>This is a test paragraph. .</p>
</section>
<footer>
<ul class="lowernav">
<li><a href="#">Home</a></li>
<li><a href="#">HTML5</a></li>
<li><a href="#">CSS3</a></li>
<li><a href="#">Links</a></li>
<li><a href="#">Contact</a></li>
</ul>
<p id="copyright">Copyright blach blach blach!</p>
</footer>
</div>
</body>
</html>
和CSS是：
@charset "utf-8";
/* CSS Document */
#container{
width:800px;
background-color:#00FF00;
border:1px solid black;
height:1000px;
z-index:-9;
margin:auto;
}
#logo{
background-color:#FF0033;
border:#000 1px;
width:800px;
height:200px;
overflow:hidden;
}
nav {
background-color:#FFF;
border:#000 1px;
width:800px;
height:30px;
}
section{
background-color:#6F3;
border:#000 1px;
width:780px;
height:400px;
margin:10px;
}
footer{
background-color:#FF0;
border:#000 1px;
width:800px;
height:100px;
}
.navbar {
/*border-right: 1px solid #54879D;*/
height: 40px;
margin: 0 0 0 0;
padding: 0;
}
.navbar li {
background-color: #366B82;
float: left;
font: bold 12px/1.2em Arial,Verdana,Helvetica;
height: auto;
list-style: none outside none;
margin: 20 0;
padding: 0;
text-align: center;
width: 160px;
}
.navbar a {
/* border-left: 1px solid #54879D;*/
border-right: 1px solid #1F5065;
color: #FFFFFF;
display: block;
padding: 10px 10px;
text-decoration: none;
}
.navbar li:hover, a:hover {
background-color: #54879D;
}
.navbar li ul {
display: none;
height: auto;
margin: 0;
padding: 0;
position:absolute;
}
.navbar li:hover ul {
display: block;
}
.navbar li ul li {
background-color: #54879D;
float:none;
}
.navbar li ul li a {
border-color: #74A3B7 #1F5065 #1F5065;
border-left: 1px solid #1F5065;
border-right: 1px solid #1F5065;
border-style: solid;
border-width: 1px;
}
.navbar li ul li a:hover {
background-color: #366B82;
}
.lowernav{
height: 20px;
border: 1px solid black;
padding: 0;
width: 350px;
margin: auto;
}
.lowernav li {
float: left;
list-style: none;
margin: 0 0;
padding: 0;
width:20%;
}
.lowernav a {
border-right:1px solid #ffffff;
padding: 0 10px;
text-decoration: none;
display: block;
text-align: center;
}
.lowernav a:hover {
color: red;
background-color:transparent;
}
#copyright{
text-align:center;
}
刪除線
也許你應該加上'顯示：block'這些新的HTML5元素（不是所有的瀏覽器理解它們）。 – Cthulhu
在FF24中看起來很好 - http://jsfiddle.net/Paulie_D/WJzWD/ –