css3实现带有简单动画按钮导航
用css3实现的带有简单动画的按钮导航,主要运用了transition技术
源代码下载地址:http://download.csdn.net/my点击打开链接
transition
语法:
transition-property:all | none | <property>[ ,<property> ]*
默认值:all
取值:
html代码如下:
<div class="content">
<h2>Simple Animated Menu Using CSS3</h2>
<h3>Example 1</h3>
<ul class="nav">
<li class="selected"><a href="/">Home</a></li>
<li><a href="/">About Us</a></li>
<li><a href="/">Portfolio</a></li>
<li><a href="/">Services</a></li>
</ul>
<br /><br />
<br /><br />
<div style="clear:both;"></div>
<h3>Example 2</h3>
<ul class="nav2">
<li><a href="/"><strong>Home</strong><em>Home</em></a></li>
<li><a href="/"><strong>About Us</strong><em>About Us</em></a></li>
<li><a href="/"><strong>Portfolio</strong><em>Portfolio</em></a></li>
<li><a href="/"><strong>Services</strong><em>Services</em></a></li>
</ul>
</div>
css代码如下:
<style type="text/css">
* {
margin:0;
padding:0;
}
body {
background:#eee;
font-family:Verdana, Geneva, sans-serif;
font-size:12px;
}
a {
text-decoration:none;
}
h2, h3 {
margin:0 0 20px;
text-shadow:2px 2px #ffffff;
}
h2 {
font-size:28px;
}
h3 {
font-size:22px;
}
.content {
padding:40px;
width:500px;
margin:30px auto;
}
.nav {
list-style:none;
}
.nav li {
float:left;
}
.nav a {
position:relative;
display:block;
padding:4px 8px;
border-bottom:2px solid #ccc;
background:#f4f4f4;
color:#999;
-webkit-transition:all 200ms ease-out;
-moz-transition:all 200ms ease-out;
-o-transition:all 200ms ease-out;
transition:all 200ms ease-out;
}
.nav a:hover {
color:#000;
background:#fff;
border-color:#000;
padding:8px;
top:-4px;
}
.nav .selected a, .nav .selected a:hover {
background:#444;
color:#fff;
border-color:#000;
}
.nav2 {
list-style:none;
}
.nav2 li {
float:left;
position:relative;
}
.nav2 a {
display:block;
float:left;
border:none;
position:relative;
height:22px;
overflow:hidden;
}
.nav2 a strong, .nav2 a em {
cursor:pointer;
padding:4px 8px;
font-weight:bold;
font-style:normal;
display:block;
-webkit-transition:all 200ms ease-out;
-moz-transition:all 200ms ease-out;
-o-transition:all 200ms ease-out;
transition:all 200ms ease-out;
}
.nav2 a strong {
position:relative;
top:0;
left:0;
color:#000;
background:#fff;
}
.nav2 em {
position:absolute;
top:100%;
background:#000;
color:#fff;
}
.nav2 a:hover strong {
top: -100%;
}
.nav2 a:hover em {
top: 0;
}
</style>
支持的浏览器Firefox, Chrome, Opera and Safari,对于ie不支持transition,