css按钮自适应

原理:利用a标签和i标签各自一个背景组合成为按钮,达到自适应。

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <style type="text/css">
        .btn a{text-decoration:none;}
        .btn{display: inline-block; background: url(s_btn.png) no-repeat 0 0; height: 22px; line-height: 22px; color: #666; vertical-align:top;}
        .btn i{display:block;font-style: normal; font-size: 12px; padding: 0 10px; background:url(s_btn.png) no-repeat right -22px; }
        .btn:hover{text-decoration: none;color:#4c8136;background-position: 0 -44px;}
        .btn:hover i{background-position: right -66px;}
        .btn:active{background-position: 0 -88px;}
        .btn:active i{background-position: right -110px;}
        .btn_disabled, .btn_disabled:hover{background: url(../img/s_btn.png) no-repeat 0 -132px;cursor: default;}
        .btn_disabled i, .btn_disabled:hover i, .s_btn_disabled:active i{background-position: right -154px;color:#999;}
        </style>
    </head>
    <body>
        <a href="#" class="btn"> <i>这是按钮</i> </a>
        <a href="#" class="btn"> <i>按钮</i> </a>
    </body>
</html>

效果:

             

 

posted @ 2013-08-26 15:27  Unicron  阅读(1077)  评论(1编辑  收藏  举报
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