分享：CSS3渐变按钮

.button {
display: inline-block;
outline: none;
cursor: pointer;
text-align: center;
text-decoration: none;
font: 14px/100% Arial, Helvetica, sans-serif;
padding: .5em 2em .55em;
text-shadow: 0 1px 1px rgba(0,0,0,.3);
-webkit-border-radius: .5em;
-moz-border-radius: .5em;
border-radius: .5em;
-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2);
-moz-box-shadow: 0 1px 2px rgba(0,0,0,.2);
box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.button:hover {
text-decoration: none;
}
.button:active {
position: relative;
top: 1px;
}
.orange {
color: #fef4e9;
border: solid 1px #da7c0c;
background: #f78d1d;
background: -webkit-gradient(linear, left top, left bottom, from(#faa51a), to(#f47a20));
background: -moz-linear-gradient(top, #faa51a, #f47a20);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#faa51a', endColorstr='#f47a20');
}
.orange:hover {
background: #f47c20;
background: -webkit-gradient(linear, left top, left bottom, from(#f88e11), to(#f06015));
background: -moz-linear-gradient(top, #f88e11, #f06015);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f88e11', endColorstr='#f06015');
}
.orange:active {
color: #fcd3a5;
background: -webkit-gradient(linear, left top, left bottom, from(#f47a20), to(#faa51a));
background: -moz-linear-gradient(top, #f47a20, #faa51a);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f47a20', endColorstr='#faa51a');
}
.blue {
color: #d9eef7;
border: solid 1px #0076a3;
background: #0095cd;
background: -webkit-gradient(linear, left top, left bottom, from(#00adee), to(#0078a5));
background: -moz-linear-gradient(top, #00adee, #0078a5);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00adee', endColorstr='#0078a5');
}
.blue:hover {
background: #007ead;
background: -webkit-gradient(linear, left top, left bottom, from(#0095cc), to(#00678e));
background: -moz-linear-gradient(top, #0095cc, #00678e);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0095cc', endColorstr='#00678e');
}
.blue:active {
color: #80bed6;
background: -webkit-gradient(linear, left top, left bottom, from(#0078a5), to(#00adee));
background: -moz-linear-gradient(top, #0078a5, #00adee);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#0078a5', endColorstr='#00adee');
}
.green {
color: #e8f0de;
border: solid 1px #538312;
background: #64991e;
background: -webkit-gradient(linear, left top, left bottom, from(#7db72f), to(#4e7d0e));
background: -moz-linear-gradient(top, #7db72f, #4e7d0e);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#7db72f', endColorstr='#4e7d0e');
}
.green:hover {
background: #538018;
background: -webkit-gradient(linear, left top, left bottom, from(#6b9d28), to(#436b0c));
background: -moz-linear-gradient(top, #6b9d28, #436b0c);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#6b9d28', endColorstr='#436b0c');
}
.green:active {
color: #a9c08c;
background: -webkit-gradient(linear, left top, left bottom, from(#4e7d0e), to(#7db72f));
background: -moz-linear-gradient(top, #4e7d0e, #7db72f);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#4e7d0e', endColorstr='#7db72f');
}

开始之前先看看效果：DEMO1 DEMO2 DEMO3

这么漂亮的按钮是如何制作的呢？

纯CSS，没有使用到图片和javascript
按钮上的渐变是跨浏览器的(IE, Firefox 3.6, Chrome, and Safari)
灵活可扩展性：按钮的大小和圆角都可以通过改变字体的大小和填充值进行调整
按钮有三个状态：normal, hover, and active
可以被应用到HTML的任何元素，如 a, input, button, span, div, p, h3, etc
如果浏览器不支持CSS3，那么将显示为普通按钮，不带渐变，阴影，圆角


不同浏览器下的状态预览：

按钮状态描述：

最终代码：
[code]

<style>
.button {
display: inline-block;
outline: none;
cursor: pointer;
text-align: center;
text-decoration: none;
font: 14px/100% Arial, Helvetica, sans-serif;
padding: .5em 2em .55em;
text-shadow: 0 1px 1px rgba(0,0,0,.3);
-webkit-border-radius: .5em;
-moz-border-radius: .5em;
border-radius: .5em;
-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2);
-moz-box-shadow: 0 1px 2px rgba(0,0,0,.2);
box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.button:hover {
text-decoration: none;
}
.button:active {
position: relative;
top: 1px;
}

.orange {
color: #fef4e9;
border: solid 1px #da7c0c;
background: #f78d1d;
background: -webkit-gradient(linear, left top, left bottom, from(#faa51a), to(#f47a20));
background: -moz-linear-gradient(top, #faa51a, #f47a20);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#faa51a', endColorstr='#f47a20');
}
.orange:hover {
background: #f47c20;
background: -webkit-gradient(linear, left top, left bottom, from(#f88e11), to(#f06015));
background: -moz-linear-gradient(top, #f88e11, #f06015);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f88e11', endColorstr='#f06015');
}
.orange:active {
color: #fcd3a5;
background: -webkit-gradient(linear, left top, left bottom, from(#f47a20), to(#faa51a));
background: -moz-linear-gradient(top, #f47a20, #faa51a);
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f47a20', endColorstr='#faa51a');
}
</style>
[/code]

找个标签，来应用上面的CSS：
[code]
<span class="button orange">DEMO1</span>
[/code]

最终效果：

DEMO1

原文出处：css3-gradient-buttons