18 lines
230 B
CSS
18 lines
230 B
CSS
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html {
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display: table;
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height: 100%;
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width: 100%;
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}
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body {
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display: table-cell;
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vertical-align: middle;
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}
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div {
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margin: auto;
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width: 100px;
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height: 100px;
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outline: inset 100px green;
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outline-offset: -125px;
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}
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