<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8" />
<title>实例: CSS3技巧：利用css3径向渐变做一张优惠券</title>
<style>
*{
margin:0;padding: 0;
}
body{
font-family: "Microsoft Yahei";
}
.demo{width:410px;margin:20px auto}
.stamp {
width: 387px;
height: 140px;
padding: 0 10px;
margin-bottom: 50px;
position: relative;
overflow: hidden;
}
.stamp:before {
content: '';
position: absolute;
top:0;
bottom:0;
left:10px;
right:10px;
z-index: -1;
}
.stamp:after {
content: '';
position: absolute;
left: 10px;
top: 10px;
right: 10px;
bottom: 10px;
box-shadow: 0 0 20px 1px rgba(0, 0, 0, 0.5);
z-index: -2;
} .stamp i{
position: absolute;
left: 20%;
top: 45px;
height: 190px;
width: 390px;
background-color: rgba(255,255,255,.15);
transform: rotate(-30deg);
}
.stamp .par{
float: left;
padding: 16px 15px;
width: 220px;
border-right:2px dashed rgba(255,255,255,.3);
text-align: left;
}
.stamp .par p{color:#fff;font-size: 16px;
line-height: 21px;}
.stamp .par span{
font-size: 50px;
color:#fff;
margin-right: 5px;
line-height: 65px;
}
.stamp .par .sign{font-size: 34px;}
.stamp .par sub{position: relative;top:-5px;
color:rgba(255,255,255,.8);
}
.stamp .copy{
display: inline-block;
padding:21px 14px;
width:100px;
vertical-align: text-bottom;
font-size: 30px;
color:rgb(255,255,255);
text-align: center;
line-height: initial;
}
.stamp .copy p{font-size: 16px;margin-top: 15px;}
.stamp01{
background: #F39B00;
background: radial-gradient(rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 5px, #F39B00 5px);
background-size: 15px 15px;
background-position: 9px 3px;
}
.stamp01:before{
background-color:#F39B00;
}
.stamp02{
background: #D24161;
background: radial-gradient(transparent 0, transparent 5px, #D24161 5px);
background-size: 15px 15px;
background-position: 9px 3px;
}
.stamp02:before{
background-color:#D24161;
}
.stamp03{
background: #7EAB1E;
background: radial-gradient(transparent 0, transparent 5px, #7EAB1E 5px);
background-size: 15px 15px;
background-position: 9px 3px;
}
.stamp03:before{
background-color:#7EAB1E;
}
.stamp03 .copy{
padding: 10px 6px 10px 12px;
font-size: 24px;
}
.stamp03 .copy p{
font-size: 14px;
margin-top: 5px;
margin-bottom: 8px;
}
.stamp03 .copy a{
background-color:#fff;
color:#333;
font-size: 14px;
text-decoration:none;
padding:5px 10px;
border-radius:3px;
display: block;
}
.stamp04{
width: 390px;
background: #50ADD3;
background: radial-gradient(rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 4px, #50ADD3 4px);
background-size: 12px 8px;
background-position: -5px 10px;
}
.stamp04:before{
background-color:#50ADD3;
left: 5px;
right: 5px;
}
.stamp04 .copy{
padding: 10px 6px 10px 12px;
font-size: 24px;
}
.stamp04 .copy p{
font-size: 14px;
margin-top: 5px;
margin-bottom: 8px;
}
.stamp04 .copy a{
background-color:#fff;
color:#333;
font-size: 14px;
text-decoration:none;
padding:5px 10px;
border-radius:3px;
display: block;
}
</style>
</head>
<body>
<div class="demo">
<div class="stamp stamp01">
<div class="par"><p>XXXXXX折扣店</p><sub class="sign">￥</sub><span>50.00</span><sub>优惠券</sub><p>订单满100.00元</p></div>
<div class="copy">副券<p>2015-08-13<br>2016-08-13</p></div>
<i></i>
</div>
<div class="stamp stamp02">
<div class="par"><p>XXXXXX折扣店</p><sub class="sign">￥</sub><span>50.00</span><sub>优惠券</sub><p>订单满100.00元</p></div>
<div class="copy">副券<p>2015-08-13<br>2016-08-13</p></div>
<i></i>
</div>
<div class="stamp stamp03">
<div class="par"><p>XXXXXX折扣店</p><sub class="sign">￥</sub><span>50.00</span><sub>优惠券</sub><p>订单满100.00元</p></div>
<div class="copy">副券<p>2015-08-13<br>2016-08-13</p><a href="#">立即使用</a></div>
<i></i>
</div>
<div class="stamp stamp04">
<div class="par"><p>XXXXXX折扣店</p><sub class="sign">￥</sub><span>50.00</span><sub>优惠券</sub><p>订单满100.00元</p></div>
<div class="copy">副券<p>2015-08-13<br>2016-08-13</p><a href="#">立即使用</a></div>
<i></i>
</div>
</div>
</body>
</html>
实现优惠券花边效果的关键代码 只有下边的三句
background: radial-gradient(rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0) 5px, #F39B00 5px);
background-size: 15px 15px;
background-position: 9px 3px;