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14 lines
275 B
HTML
14 lines
275 B
HTML
<!DOCTYPE HTML>
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<title> Ensure element is centered by auto margin </title>
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<style>
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div {
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inset: 0;
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background-color: black;
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margin: auto;
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position: absolute;
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block-size: 200px;
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inline-size: 100px;
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border: 5px solid red;
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}
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</style>
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<div></div>
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