CSS3制作Freebie标签，其中最有亮点的是使用css3来实现斜线背景以及方格背景，然后就是使用@font-face来制作icon图标。原理简单，重要的是思路，以及这两种背景实现的细节。
代码如下：
<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8">
<title>CSS3制作Freebie标签</title>
<style type="text/css">
body{
background-color: #f2f2f2;
background-size:20px 20px,20px 20px,6px 6px,6px 6px;
background-position:-2px -2px, -2px -2px,0 0, 3px 3px;
background-image: -webkit-linear-gradient(white 2px, transparent 2px),
-webkit-linear-gradient(0, white 2px, transparent 2px),
-webkit-linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6),
-webkit-linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6);
background-image: -moz-linear-gradient(white 2px, transparent 2px),
-moz-linear-gradient(0deg, white 2px, transparent 2px),
-moz-linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6),
-moz-linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6);
background-image: -ms-linear-gradient(white 2px, transparent 2px),
-ms-linear-gradient(0, white 2px, transparent 2px),
-ms-linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6),
-ms-linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6);
background-image: -o-linear-gradient(white 2px, transparent 2px),
-o-linear-gradient(0, white 2px, transparent 2px),
-o-linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6),
-o-linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6);
background-image: linear-gradient(white 2px, transparent 2px),
linear-gradient(0, white 2px, transparent 2px),
linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6),
linear-gradient(45deg, #e6e6e6 25%, transparent 25%, transparent 75%, #e6e6e6 75%, #e6e6e6);
}
.box ul{
margin-top: 100px;
letter-spacing: -4px;
word-spacing: -4px;
font-size: 0;
height:75px;
text-align: center;
box-shadow:0 -2px 3px rgba(0,0,0,.05),0 2px 3px rgba(0,0,0,.05);
background:#fff;
}
.box li{
letter-spacing: normal;
word-spacing: normal;
display:inline-block;
*display: inline;
zoom:1;
position:relative;
top:-5px;
width:39px;
height:48px;
margin-right:40px;
border-top:1px solid #66991f;
border-left:1px solid #66991f;
border-right:1px solid #66991f;
overflow: hidden;
background-color: #79b023;
background-size:3px 3px;
background-position: 0 0, 1px 1px;
background-image: -webkit-linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e),
-webkit-linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e);
background-image: -moz-linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e),
-moz-linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e);
background-image: -ms-linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e),
-ms-linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e);
background-image: -o-linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e),
-o-linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e);
background-image: linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e),
linear-gradient(45deg, #91c32e 25%, transparent 25%, transparent 75%, #91c32e 75%, #91c32e);
}
.box li:last-child{ margin-right: 0;}
.box li:after,.box li:before{
position:absolute;
display:block;
}
.box li:before{
top:5px;
left: 5px;
content: "";
width: 28px;
height: 0;
line-height: 30px;
color:rgba(69,124,12,.5);
border-top: 1px dashed #5d8c1c;
border-bottom: 1px dashed #b4d969;
font-size: 18px;
font-family: 'icomoon';
font-style: normal;
speak: none;
font-weight: normal;
-webkit-font-smoothing: antialiased;
}
.box li:after{
content:"";
left:-1px;
top:38px;
width:38px;
height:35px;
box-shadow:1px 0 3px rgba(0,0,0,.3),0 -1px 3px rgba(0,0,0,.3);
background:#fff;
-webkit-transform:rotate(-45deg) skew(18deg,20deg);
-moz-transform:rotate(-45deg) skew(18deg,20deg);
-o-transform:rotate(-45deg) skew(18deg,20deg);
-ms-transform:rotate(-45deg) skew(18deg,20deg);
transform:rotate(-45deg) skew(18deg,20deg);
}
.box li:nth-child(1):before{
content: "\21";
}
.box li:nth-child(2):before{
content: "\25";
}
.box li:nth-child(3):before{
content: "\24";
}
.box li:nth-child(4):before{
content: "\22";
}
.box li:nth-child(5):before{
content: "\26";
}
@font-face {
font-family: 'icomoon';
src:url('fonts/icomoon.eot');
src:url('fonts/icomoon.eot?#iefix') format('embedded-opentype'),
url('fonts/icomoon.svg#icomoon') format('svg'),
url('fonts/icomoon.woff') format('woff'),
url('fonts/icomoon.ttf') format('truetype');
font-weight: normal;
font-style: normal;
}
</style>
</head>
<body>
<div>
<header id="header">
<hgrounp>
<h1>CSS3制作Freebie标签</h1>
<h2>作者：藤藤(如有更好建议或疑问请加群：1041263)<h2>
</hgrounp>
</header>
<section>
<div>
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</section>
</div>
</body>
</html>效果如图：
