css3全屏背景图片切换特效 - roucheng

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<span style="color: #0000ff;"><span style="color: #800000;">h1</span><span style="color: #0000ff;">></span>何问起 纯CSS3实现全屏背景切换焦点图效果<span style="color: #0000ff;"></span><span style="color: #800000;">h1</span><span style="color: #0000ff;">></span>
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<span style="color: #0000ff;"><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="http://hovertree.com/texiao/css3/10/images/bg2.jpg"</span><span style="color: #ff0000;"> alt</span><span style="color: #0000ff;">="美图"</span><span style="color: #ff0000;"> class</span><span style="color: #0000ff;">="bg slideBottom"</span><span style="color: #ff0000;"> id</span><span style="color: #0000ff;">="bg2"</span> <span style="color: #0000ff;">/></span> 
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