文档介绍：CSS3圆环倒计时效果
源码:长沙网站建设提供
<html>
<head>
<meta charset="utf-8">
<title>CSS3圆环倒计时效果 by </title>
<style>
.pie { width:200px; height:200px; background-color:blue; border-radius:100px; position:absolute; }
.pie1 { clip:rect(0px,200px,200px,100px); -o-transform:rotate(0deg); -moz-transform:rotate(0deg); -webkit-transform:rotate(0deg); background:-moz-radial-gradient(20% 50% 0deg, #333, #0000ff); background:-webkit-gradient(radial, 100 100, 0, 100 100, 110, from(#000), to(#0000ff)); }
.pie2 { clip:rect(0px,100px,200px,0px); -o-transform:rotate(0deg); -moz-transform:rotate(0deg); -webkit-transform:rotate(0deg); background:-moz-radial-gradient(80% 50% 0deg, #333, #0000ff); background:-webkit-gradient(radial, 100 100, 0, 100 100, 110, from(#000), to(#0000ff)); }
.hold { width:200px; height:200px; position:absolute; z-index:1; }
.hold1 { clip:rect(0px,200px,200px,100px); }
.hold2 { clip:rect(0px,100px,200px,0px); }
.bg { width:200px; height:200px; background-color:red; border-radius:100px; position:absolute; box-shadow:0px 0px 8px #333; background:-moz-radial-gradient(0% 50% 0deg, #900, #ff0000); background:-webkit-gradient(radial, 100 100, 0, 100 100, 110, from(#900), to(#ff0000)); }
.time { width:160px; height:160px; margin:20px 0 0 20px; background-color:#fff; border-radius:100px; position:absolute; z-index:1; box-shadow:0px 0px 8px #333 inset; text-align:center;