📄 15-21.htm
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<html><head><title>控制重叠对象前后位置演示 </title></head>
<body >
<span style="position: absolute; z-index:0;
background-color: red; width: 200;height:250;
top: 50px; left:160px;">三日入厨下</span>
<span style="position: absolute; z-index:1;
background-color:yellow; width: 90;height:300;
top: 20px; left:210px;">洗手作羹汤</span>
<span style="position: absolute; z-index:2;
background-color: blue; width: 250;height:100;
top: 120px; left:130px;">未谙姑食性</span>
<span style="position: absolute; z-index:3;
background-color: white; width: 50;height:50;
top: 140px; left:230px;">先遣小姑尝</span>
</body>
</html>
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