效果图如下：
代码如下：
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Live Preview</title>
<style>
body {
background: #f5f5f5;
font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
font-size: 12px;
padding: 50px 0 10px 0;
}
.custom {
width: 260px;
margin: 0 auto;
}
.tags {
padding: 0;
}
.tags a {
background-image: -moz-linear-gradient(top, rgba(255,255,255,0.12) 0%, rgba(0,0,0,0.1) 99%, rgba(0,0,0,0.1) 100%);
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(255,255,255,0.12)), color-stop(99%,rgba(0,0,0,0.1)), color-stop(100%,rgba(0,0,0,0.1)));
background-image: -webkit-linear-gradient(top, rgba(255,255,255,0.12) 0%,rgba(0,0,0,0.1) 99%,rgba(0,0,0,0.1) 100%);
background-image: -o-linear-gradient(top, rgba(255,255,255,0.12) 0%,rgba(0,0,0,0.1) 99%,rgba(0,0,0,0.1) 100%);
background-image: -ms-linear-gradient(top, rgba(255,255,255,0.12) 0%,rgba(0,0,0,0.1) 99%,rgba(0,0,0,0.1) 100%);
background-image: linear-gradient(top, rgba(255,255,255,0.12) 0%,rgba(0,0,0,0.1) 99%,rgba(0,0,0,0.1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1fffffff', endColorstr='#1a000000',GradientType=0 );
-webkit-border-top-right-radius: 3px;
-webkit-border-bottom-right-radius: 3px;
-moz-border-radius-topright: 3px;
-moz-border-radius-bottomright: 3px;
border-top-right-radius: 3px;
border-bottom-right-radius: 3px;
box-shadow: 0 1px 0 rgba(255,255,255,0.5) inset;
display: inline-block;
font-size: 12px;
font-weight: bold;
line-height: 25px;
height: 25px;
padding: 0 10px;
position: relative;
text-shadow: 0 1px 0 rgba(0,0,0,0.5);
text-decoration: none;
margin: 0 15px 5px 0;
border: 1px solid;
border-left: 0;
color: #fff;
}
.tags a:before {
background-image: -moz-linear-gradient(-45deg, rgba(255,255,255,0.12) 0%, rgba(0,0,0,0.1) 99%, rgba(0,0,0,0.1) 100%);
background-image: -webkit-gradient(linear, left top, right bottom, color-stop(0%,rgba(255,255,255,0.12)), color-stop(99%,rgba(0,0,0,0.1)), color-stop(100%,rgba(0,0,0,0.1)));
background-image: -webkit-linear-gradient(-45deg, rgba(255,255,255,0.12) 0%,rgba(0,0,0,0.1) 99%,rgba(0,0,0,0.1) 100%);
background-image: -o-linear-gradient(-45deg, rgba(255,255,255,0.12) 0%,rgba(0,0,0,0.1) 99%,rgba(0,0,0,0.1) 100%);
background-image: -ms-linear-gradient(-45deg, rgba(255,255,255,0.12) 0%,rgba(0,0,0,0.1) 99%,rgba(0,0,0,0.1) 100%);
background-image: linear-gradient(-45deg, rgba(255,255,255,0.12) 0%,rgba(0,0,0,0.1) 99%,rgba(0,0,0,0.1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#1fffffff', endColorstr='#1a000000',GradientType=1 );
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
filter: progid:DXImageTransform.Microsoft.Matrix(/* IE6–IE9 */ M11=0.7071067811865476, M12=-0.7071067811865475, M21=0.7071067811865475, M22=0.7071067811865476, sizingMethod='auto expand');
zoom: 1;
box-shadow: 1px 0px 0 rgba(255,255,255,0.5) inset;
content: '';
height: 18px;
left: -10px;
position: absolute;
top: 3px;
width: 18px;
z-index: -1;
border: 1px solid;
border-right: 0;
border-top: 0;
}
.tags a:after {
position: absolute;
background: #fff;
content: '';
width: 5px;
height: 5px;
left: 0;
border-radius: 5px;
top: 9px;
border: 1px solid #888;
}
.tags a:hover {
background-image: -moz-linear-gradient(top, rgba(255,255,255,0.25) 0%, rgba(0,0,0,0.1) 100%);
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(255,255,255,0.25)), color-stop(100%,rgba(0,0,0,0.1)));
background-image: -webkit-linear-gradient(top, rgba(255,255,255,0.25) 0%,rgba(0,0,0,0.1) 100%);
background-image: -o-linear-gradient(top, rgba(255,255,255,0.25) 0%,rgba(0,0,0,0.1) 100%);
background-image: -ms-linear-gradient(top, rgba(255,255,255,0.25) 0%,rgba(0,0,0,0.1) 100%);
background-image: linear-gradient(top, rgba(255,255,255,0.25) 0%,rgba(0,0,0,0.1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#40ffffff', endColorstr='#1a000000',GradientType=0 );
}
.tags a:hover:before {
background-image: -moz-linear-gradient(-45deg, rgba(255,255,255,0.25) 0%, rgba(0,0,0,0.1) 100%);
background-image: -webkit-gradient(linear, left top, right bottom, color-stop(0%,rgba(255,255,255,0.25)), color-stop(100%,rgba(0,0,0,0.1)));
background-image: -webkit-linear-gradient(-45deg, rgba(255,255,255,0.25) 0%,rgba(0,0,0,0.1) 100%);
background-image: -o-linear-gradient(-45deg, rgba(255,255,255,0.25) 0%,rgba(0,0,0,0.1) 100%);
background-image: -ms-linear-gradient(-45deg, rgba(255,255,255,0.25) 0%,rgba(0,0,0,0.1) 100%);
background-image: linear-gradient(-45deg, rgba(255,255,255,0.25) 0%,rgba(0,0,0,0.1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#40ffffff', endColorstr='#1a000000',GradientType=1 );
}
.tags a:active {
background-image: -moz-linear-gradient(top, rgba(0,0,0,0.14) 0%, rgba(255,255,255,0.12) 100%);
background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,0,0,0.14)), color-stop(100%,rgba(255,255,255,0.12)));
background-image: -webkit-linear-gradient(top, rgba(0,0,0,0.14) 0%,rgba(255,255,255,0.12) 100%);
background-image: -o-linear-gradient(top, rgba(0,0,0,0.14) 0%,rgba(255,255,255,0.12) 100%);
background-image: -ms-linear-gradient(top, rgba(0,0,0,0.14) 0%,rgba(255,255,255,0.12) 100%);
background-image: linear-gradient(top, rgba(0,0,0,0.14) 0%,rgba(255,255,255,0.12) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#24000000', endColorstr='#1fffffff',GradientType=0 );
}
.tags a:active:before {
background-image: -moz-linear-gradient(-45deg, rgba(0,0,0,0.14) 0%, rgba(255,255,255,0.12) 100%);
background-image: -webkit-gradient(linear, left top, right bottom, color-stop(0%,rgba(0,0,0,0.14)), color-stop(100%,rgba(255,255,255,0.12)));
background-image: -webkit-linear-gradient(-45deg, rgba(0,0,0,0.14) 0%,rgba(255,255,255,0.12) 100%);
background-image: -o-linear-gradient(-45deg, rgba(0,0,0,0.14) 0%,rgba(255,255,255,0.12) 100%);
background-image: -ms-linear-gradient(-45deg, rgba(0,0,0,0.14) 0%,rgba(255,255,255,0.12) 100%);
background-image: linear-gradient(-45deg, rgba(0,0,0,0.14) 0%,rgba(255,255,255,0.12) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#24000000', endColorstr='#1fffffff',GradientType=1 );
}
.tags .inset {
color: rgba(0,0,0,0.5);
text-shadow: 0 1px 0 rgba(255,255,255,0.5);
}
/* === Customs ==========
================================================== */
.tags a, .tags a:before { background-color: #b7b7b7 }
.tags a, .tags a:after, .tags a:before { border-color: #777 }
.tags a.inset {
color: #454545; /* Here you can override the default rgba(0,0,0,0.5); */
}
.tags .tag-red, .tags .tag-red:before { background-color: #f25c48 }
.tags .tag-red, .tags .tag-red:after, .tags .tag-red:before { border-color: #bc4738 }
.tags .tag-red.inset { color: #8a241e }
.tags .tag-blue, .tags .tag-blue:before { background-color: #0b9db7 }
.tags .tag-blue, .tags .tag-blue:after, .tags .tag-blue:before { border-color: #087184 }
.tags .tag-blue.inset { color: #054854 }
.tags .tag-orange, .tags .tag-orange:before { background-color: #f28f1a }
.tags .tag-orange, .tags .tag-orange:after, .tags .tag-orange:before { border-color: #bb6e14 }
.tags .tag-orange.inset { color: #7e4a0d }
.tags .tag-green, .tags .tag-green:before { background-color: #00A600 }
.tags .tag-green, .tags .tag-green:after, .tags .tag-green:before { border-color: #007500 }
.tags .tag-brown, .tags .tag-brown:before { background-color: #AE8F00 }
.tags .tag-brown, .tags .tag-brown:after, .tags .tag-brown:before { border-color: #5B4B00 }
.tags .tag-gray, .tags .tag-gray:before { background-color: #5B5B5B }
.tags .tag-gray, .tags .tag-gray:after, .tags .tag-gray:before { border-color: #272727 }
.tags .tag-puple, .tags .tag-puple:before { background-color: #6F00D2 }
.tags .tag-puple, .tags .tag-puple:after, .tags .tag-puple:before { border-color: #3A006F }
.tags .tag-fen, .tags .tag-fen:before { background-color: #FF00FF }
.tags .tag-fen, .tags .tag-fen:after, .tags .tag-fen:before { border-color: #460046 }
.tags .tag-danlan, .tags .tag-danlan:before { background-color: #5CADAD }
.tags .tag-danlan, .tags .tag-danlan:after, .tags .tag-danlan:before { border-color: #3D7878 }
</style>
</head>
<body>
<div>
<a href="#">默认</a>
<a href="#">淡蓝色</a><a href="#">淡蓝色文字</a>
<a href="#">橘黄色</a><a href="#">橘黄色文字</a>
<a href="#">暗红色</a><a href="#">暗红色文字</a>
<a href="#">绿色</a>
<a href="#">棕色</a>
<a href="#">灰色</a>
<a href="#">紫色</a>
<a href="#">粉色</a>
<a href="#">淡蓝</a>
</div>
</body>
</html>