<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>CSS之按钮过滤</title>
</head>
<style type="text/css">
html,body,.wrapper{
height:100%;}
body{
background:#000000;
background-size:cover;
font-family:Gotham, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.wrapper{
width:100%;
}
.holder {
width: 100%;
}
a.animBtn:link, a.animBtn:visited {
position: relative;
display: block;
width: 180px;
margin: 30px auto 0;
padding: 14px 15px;
border: 2px solid #fff;
background: rgba(255, 255, 255, 0.2);
color: #fff;
text-align: center;
text-decoration: none;
text-transform: uppercase;
overflow: hidden;
letter-spacing: .08em;
/*text-shadow: 0 0 1px rgba(0, 0, 0, 0.2), 0 1px 0 rgba(0, 0, 0, 0.2);*/
text-shadow:0 1px 1px rgba(0,0,0,0.2);
-webkit-transition: all .3s ease;
-moz-transition: all .3s ease;
-o-transition: all .3s ease;
transition: all .3s ease;
}
a.animBtn:link:after, a.animBtn:visited:after {
content: "";
position: absolute;
background: none repeat scroll 0 0 #fff;
height: 0%;
left: 50%;
top: 50%;
width: 100%;
z-index: -1;
-webkit-transition: all .3s ease 0s;
-moz-transition: all .3s ease 0s;
-o-transition: all .3s ease 0s;
transition: all .3s ease 0s;
}
a.animBtn:link:hover, a.animBtn:visited:hover {
color: #333;
text-shadow: none;
}
a.animBtn:link:hover:after, a.animBtn:visited:hover:after {
height: 420%;
}
a.animBtn.themeA:after {
-moz-transform: translateX(-50%) translateY(-50%) rotate(-45deg);
-ms-transform: translateX(-50%) translateY(-50%) rotate(-45deg);
-webkit-transform: translateX(-50%) translateY(-50%) rotate(-45deg);
transform: translateX(-50%) translateY(-50%) rotate(-45deg);
}
a.animBtn.themeB:after {
-moz-transform: translateX(-50%) translateY(-50%) rotate(45deg);
-ms-transform: translateX(-50%) translateY(-50%) rotate(45deg);
-webkit-transform: translateX(-50%) translateY(-50%) rotate(45deg);
transform: translateX(-50%) translateY(-50%) rotate(45deg);
}
a.animBtn.themeC:after {
opacity: .5;
-moz-transform: translateX(-50%) translateY(-50%);
-ms-transform: translateX(-50%) translateY(-50%);
-webkit-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
}
a.animBtn.themeC:hover:after {
height: 140%;
opacity: 1;
}
a.animBtn.themeD:after {
width: 0%;
border-radius: 50%;
opacity: .5;
-moz-transform: translateX(-50%) translateY(-50%);
-ms-transform: translateX(-50%) translateY(-50%);
-webkit-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
}
a.animBtn.themeD:hover:after {
height: 450%;
width: 110%;
opacity: 1;
}
</style>
<body>
<input type="button" value="关闭" name="close" onclick="window.close()" />
<div style="text-align:center;clear:both;">
</div>
<div class="wrapper">
<p class="holder">
<a href="#" class="animBtn themeA">Discover More A</a>
<a href="#" class="animBtn themeB">Discover More B</a>
<a href="#" class="animBtn themeC">Discover More C</a>
<a href="#" class="animBtn themeD">Discover More D</a>
</p>
</div>
</body>
</html>