效果如下：document *{margin:0px;padding:0px;} #big{width:200px;height:200px;position:absolute;overflow:hidden;left:480px;top:20px;display:none;}
效果如下：document *{margin:0px;padding:0px;} #big{width:200px;height:200px;position:absolute;overflow:hidden;left:480px;top:20px;display:none;}
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