css3按钮

一、做出圆角图形
二、在圆角图像实现渐变
三、给图形加阴影
四、给文字加阴影

.button {
    display: inline-block;
    outline: none;
    text-align: center;
    text-decoration: none;
    text-shadow: 0 1px 1px rgba(0, 0, 0, .3); /*文字阴影*/
    -webkit-border-radius: .5em; /*圆角*/
    -moz-border-radius: .5em;
    border-radius: .5em;
    -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .2); /*阴影*/
    -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: 0px;
}

.orange {
    color: #fef4e9;
    border: solid 1px #da7c0c;
    background: #f78d1d;
    background: -webkit-gradient(linear, left top, left bottom, from(#faa51a), to(#f47a20)); /*渐变*/
    background: -webkit-linear-gradient(top, #faa51a, #f47a20);
    background: -moz-linear-gradient(top, #faa51a, #f47a20);
    background: -o-linear-gradient(top, #faa51a, #f47a20);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#faa51a', endColorstr='#f47a20'); /*IE不支持渐变，可以借助滤镜，但是滤镜无法实现圆角渐变，如果按钮要圆角可以把IE这两句去掉，即IE无渐变*/
    -ms-filter: "progid:DXImageTransform.Microsoft.gradient (GradientType=0, 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');
}

<a href="#" class="button orange">Orange</a>