CSS自适应导航菜单的实例代码

以下是一个简单实例，可以通过学习了解响应工菜单的制作。

html

<nav class="nav">
<ul>
<li class="current"><a href="#">Portfolio</a></li>
<li><a href="#">Illustration</a></li>
<li><a href="#">Web Design</a></li>
<li><a href="#">Print Media</a></li>
<li><a href="#">Graphic Design</a></li>
</ul>
</nav>

css

.nav {
position: relative;
margin: 20px 0;
}
 .nav ul {
margin: 0;
padding: 0;
}
 .nav ul li {
margin: 0 5px 10px 0;
padding: 0;
list-style: none;
float: left;
}
 .nav a {
padding: 3px 12px;
text-decoration: none;
color: #999;
line-height: 100%;
}
 .nav a:hover {
color: #000;
}
 .nav .current a {
background: #999;
color: #fff;
border-radius: 5px;
}
/* right nav */
.nav.right ul {
text-align: right;
}
 /* center nav */
.nav.center ul {
text-align: center;
}

页面小于600显示成一列

@media (max-width: 600px) {
.nav {
position: relative;
min-height: 30px;
}
 .nav ul {
width: 180px;
padding: 5px 0;
position: absolute;
top: 0;
left: 0;
border: solid 1px #aaa;
background: #fff url(images/icon-menu.png) no-repeat 10px 11px;
border-radius: 5px;
box-shadow: 0 1px 2px rgba(0,0,0,.3);
}
 .nav li {
display: none; /* hide all <li> items */
margin: 0;
}
 .nav .current {
display: block; /* show only current <li> item */
}
 .nav a {
display: block;
padding: 5px 5px 5px 32px;
text-align: left;
}
 .nav .current a {
background: none;
color: #666;
}
 /* on nav hover */
.nav ul:hover {
background-image: none;
}
 .nav ul:hover li {
display: block;
margin: 0 0 5px;
}
 .nav ul:hover .current {
background: url(images/icon-check.png) no-repeat 10px 7px;
}
 /* right nav */
.nav.right ul {
left: auto;
right: 0;
}
 /* center nav */
.nav.center ul {
left: 50%;
margin-left: -90px;
}
}