我希望为每个菜单添加下拉列表，但只有“产品”菜单显示。首先我只为“产品”菜单制作了下拉列表。但对于其他的菜单，它没有起作用。
HTML代码如下:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Welcome to Cctvcart store</title>
<link rel="stylesheet" href="css/style.css" type="text/css">
</head>
<body>
<div class="header_wrap">
<div class="header_top_wrap">
<div class="header_top">
</div>
</div>
<!--end of header top wrap -->
<div class="header_bottom_wrap">
<div class="header_bottom">
<ul class="bottom_menu">
<li class="dropdown"><li><a href="#">Company</a>
<ul class="submenu">
<li><a href="#">About us</a>
</li>
<li><a href="#">New Realeses</a>
</li>
<li><a href="#">Contact us</a>
</li>
</ul>
</li>
<li class="dropdown"><a href="#">Products</a>
<ul class="submenu">
<li><a href="#">DVR & Kits</a>
</li>
<li><a href="#">Seurity Cameras</a>
</li>
<li><a href="#">Spy Camreas</a></li>
<li><a href="#">Wireless & IP Cameras</a></li>
<li><a href="#">Accessories</a></li>
<li><a href="#">Mini Video</a></li>
</ul>
</li>
<li><a href="#">Services</a>
</li>
<li class="dropdown"><li><a href="#">Support</a>
<ul class="submenu">
<li><a href="#">Support Home</a>
</li>
<li><a href="#">Warranty</a>
</li>
<li><a href="#">Feedback</a>
</li>
<li><a href="#">Contact Tech Support</a>
</li>
</li>
<li class="dropdown"> <li><a href="#">Multimedia</a>
<ul class="submenu">
<li><a href="#">Video</a>
</li>
<li><a href="#">Podcasts</a>
</li>
</li>
</ul>
</div>
</div>
<!--end of bottom wrap -->
</div>
<!--end of header wrap -->
<div class="main_wrap">
<div class="main">
</div>
<!--end of main -->
</div>
<!--end of main wrap -->
<div class="footer_wrap">
<footer></footer>
</div>
<!--end of footer wrap -->
</body>
</html>
style.css:
* {
margin: 0px;
padding: 0px;
}
.header_wrap {
width: 100%;
height: 160px;
background: red;
position: relative;
}
.main_wrap {
width: 100%;
height: 1475px;
background: green;
}
.footer_wrap {
width: 100%;
height: 325px;
background: aqua;
}
.main {
width: 1000px;
height: 100%;
background: blue;
margin: auto;
}
footer {
width: 1000px;
height: 100%;
background: aqua;
margin: auto;
}
.header_top_wrap {
width: 100%;
height: 23px;
background: #ccc;
}
.header_bottom_wrap {
width: 100%;
height: 40px;
background: #06F;
position: absolute;
bottom: 0px;
left: 0px;
}
.header_top {
width: 1000px;
height: 100%;
background: purple;
margin: auto;
}
.header_bottom {
width: 1000px;
height: 100%;
background: black;
margin: auto;
}
.bottom_menu > li {
display: inline-block;
}
.bottom_menu a
{
font-family: Impact, Haettenschweiler, "Franklin Gothic Bold", "Arial Black", sans-serif;
color: #fff;
}
.bottom_menu > li >a {
display: block;
text-decoration: none;
padding: 0px 30px;
height: 40px;
line-height: 35px;
text-align: center;
}
.bottom_menu > li:hover >a
{
background:#fff;
color:#151716;
}
.submenu a:active, .submenu a:visited{
display: block;
color: #fff;
text-decoration: none;
z-index: 21;
}
.submenu {
position: absolute;
display: none;
width:160px;
height:250px;
background:white;
list-style:none;
}
.dropdown:hover > .submenu{
display: block;
}
.submenu>li>a
{
display:block;
width:100%;
height:42px;
background:black;
text-decoration:none;
line-height:58px;
padding-left:50px;
border:1px dashed white;
}
.submenu {height: auto;}- Praveen Kumar Purushothaman:)- Praveen Kumar Purushothaman