67 lines
1.2 KiB
HTML
67 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width-device-width,initial-scale=1.0">
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<title>定位层级</title>
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<style>
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#app,#app2 {
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background-color: salmon;
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width: 400px;
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height: 400px;
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position: relative;
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z-index: 0;
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}
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#app {
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z-index: 99;
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}
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.box {
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width: 100px;
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height: 100px;
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}
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.box1 {
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height: 150px;
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background-color: rgb(255, 0, 0);
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position: absolute;
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z-index: 1;
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}
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.box2 {
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width: 150px;
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background-color: antiquewhite;
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position: absolute;
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z-index: 0;
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}
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#app2 .box1 {
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top: -249px;
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}
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#app .box2 {
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top: 100px;
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}
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</style>
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</head>
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<body>
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<div id="app">
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<div class="box box1">box1</div>
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<div class="box box2">box2</div>
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</div>
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<div id="app2">
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<div class="box box1">box1</div>
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<div class="box box2">box2</div>
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</div>
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<!-- 子绝父相 -->
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</body>
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</html> |