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圆形按钮HTML5/CSS3 button代码HTML5/CSS3 3D立体功能按钮在线演

时间：2014-05-24 00:23 来源：互联网作者：源码搜藏收藏推荐

<!DOCTYPE html>
<html>
<head>
<title>HTML5/CSS3 3D立体功能按钮在线演示</title>
<style>
.screen-reader-text {
  position: absolute;
  top: -9999px;
  left: -9999px;
}
@font-face {
  font-family: 'fontello';
  src: url('http://css-tricks.com/examples/RoundButtons/fonts/fontello.eot');
  src: url('http://css-tricks.com/examples/RoundButtons/fonts/fontello.eot?#iefix') format('embedded-opentype'),
       url('http://css-tricks.com/examples/RoundButtons/fonts/fontello.woff') format('woff'),
       url('http://css-tricks.com/examples/RoundButtons/fonts/fontello.ttf') format('truetype'),
       url('http://css-tricks.com/examples/RoundButtons/fonts/fontello.svg#fontello') format('svg');
  font-weight: normal; font-style: normal;
}
[class*="icon-"] {
  font-family: 'fontello';
  font-style: normal;
  font-size: 3em;
  speak: none;
}
.icon-home:after     { content: "\2302"; } 
.icon-cog:after      { content: "\2699"; } 
.icon-cw:after       { content: "\27f3"; } 
.icon-location:after { content: "\e724"; } 
* { 
  -webkit-box-sizing: border-box; 
  -moz-box-sizing:    border-box; 
  box-sizing:         border-box; 
  margin: 0;
  padding: 0;
}
html {
  background: #f7f7f7 url(http://css-tricks.com/examples/RoundButtons/images/bg.png) repeat center top;
}
.nav {
  list-style: none;
  text-align: center;
}
.nav li {
  position: relative;
  display: inline-block;
  margin-right: -4px;
}
.nav li:before {
  content: "";
  display: block;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #fff;
  width: 100%;
  height: 1px;
  position: absolute;
  top: 50%;
  z-index: -1;
}
.nav a:link, .nav a:visited {
  display: block;
  text-decoration: none;
  background-color: #f7f7f7;
  background-image: -webkit-gradient(linear, left top, left bottom, from(#f7f7f7), to(#e7e7e7));
  background-image: -webkit-linear-gradient(top, #f7f7f7, #e7e7e7); 
  background-image: -moz-linear-gradient(top, #f7f7f7, #e7e7e7); 
  background-image: -ms-linear-gradient(top, #f7f7f7, #e7e7e7); 
  background-image: -o-linear-gradient(top, #f7f7f7, #e7e7e7); 
  color: #a7a7a7;
  margin: 36px;
  width: 144px;
  height: 144px;
  position: relative;
  text-align: center;
  line-height: 144px;
  border-radius: 50%;
  box-shadow: 0px 3px 8px #aaa, inset 0px 2px 3px #fff;
  border: solid 1px transparent;
}
.nav a:before {
  content: "";
  display: block;
  background: #fff;
  border-top: 2px solid #ddd;
  position: absolute;
  top: -18px;
  left: -18px;
  bottom: -18px;
  right: -18px;
  z-index: -1;
  border-radius: 50%;
  box-shadow: inset 0px 8px 48px #ddd;
}
.nav a:active {
  box-shadow: none;
  border: solid 1px #a7a7a7;
}
.nav a:hover {
  text-decoration: none;
  color: #555;
  background: #f5f5f5;
}
</style>
</head>
<body>
  <nav>
    <ul class="nav">
        <li>
          <a href="#">
            <span class="icon-home"></span>
            <span class="screen-reader-text">Home</span>
          </a>
      	</li>
        <li>
          <a href="#">
            <span class="icon-cog"></span>
            <span class="screen-reader-text">Settings</span>
          </a></li>
        <li>
      		<a href="#">
            <span class="icon-cw"></span>
            <span class="screen-reader-text">Refresh</span>
          </a>
      	</li>
        <li>
          <a href="#">
            <span class="icon-location"></span>
            <span class="screen-reader-text">Location</span>
          </a>
        </li>
    </ul>
</nav>
<div style="text-align:center;clear:both">
</div>
</body>
</html>

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