<div id="square1">
</div>
#square1{
width: 0; height: 0; border: 10px solid;
border-color: green transparent red transparent;
border-width: 0px 10px 10px 10px;}
沙漏的话
border-width: 0px 10px 10px 10px;
就是 border-width: 10px 10px 10px 10px;
微信扫一扫
<div id="square1">
</div>
#square1{
width: 0; height: 0; border: 10px solid;
border-color: green transparent red transparent;
border-width: 0px 10px 10px 10px;}
沙漏的话
border-width: 0px 10px 10px 10px;
就是 border-width: 10px 10px 10px 10px;
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