微信、微博、qq图标服务实现

实现原理：变化前的图标和变化后的图标在一张图片上，用这张图片作为背景，通过定义背景的位置来实现显示哪个图标，其中还带着滑动的动画效果。

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
    .wh{width: 17px;height: 13px;float:left;margin-right:5px;}
    .icon1{background: url(img/logo-sprite.png) no-repeat -1px -1px;transition: background 1s; }
    .icon2{background: url(img/logo-sprite.png) no-repeat -29px -1px;transition: background 1s;}
    .icon3{background: url(img/logo-sprite.png) no-repeat -59px -1px;transition: background 1s;}
    .icon1:hover{background: url(img/logo-sprite.png) no-repeat -1px -18px;}
    .icon2:hover{background: url(img/logo-sprite.png) no-repeat -29px -18px;}
    .icon3:hover{background: url(img/logo-sprite.png) no-repeat -59px -18px;}
    </style>
</head>
<body>
    <div class="contact">
        <div class="icon1 wh"></div>
        <div class="icon2 wh"></div>
        <div class="icon3 wh"></div>
    </div>
</body>
</html>

 

posted @ 2016-03-11 15:31  SophiaLiu  阅读(199)  评论(0)  编辑  收藏  举报