DIV怎样将3移显示到1的下面呢?
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发布时间：2022-04-26 09:30
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时间：2022-06-26 19:36
<div style="width:500px;height:500px;border:2px red!important;background:#e3e1e1;">
<div id="div1" style="width:48%;height:40px;border:2px green!important;float:left!important;background:green;">
</div>
<div id="div2" style="width:48%;height:80px;border:2px blue!important;float:left!important;background:blue;"></div>
<div id="div3" style="width:48%;height:40px;border:2px red!important;float:left!important;background:red;margin-top: -40px"></div>
</div>
