实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>手册网(www.shouce.ren)</title>
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<style>
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#main {
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    height: 278px;
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    width: 140px;
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    border: 1px solid #c3c3c3;
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    display: flex;
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    flex-flow: row wrap;
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    align-content:center;
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}
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​
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#main div {
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    width: 70px;
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    height: 70px;
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}
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</style>
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</head>
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<body>
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​
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<div id="main">
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    <div style="background-color:coral;"></div>
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    <div style="background-color:lightblue;"></div>
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    <div style="background-color:khaki;"></div>
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    <div style="background-color:pink;"></div>
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    <div style="background-color:lightgrey;"></div>
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    <div style="background-color:lightgreen;"></div>
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</div>
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​
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</body>
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</html>