18 lines
277 B
HTML
18 lines
277 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<style>
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body { margin: 0 }
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div.ref {
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border: 1px solid black;
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box-sizing: border-box;
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background: green;
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height: 50px;
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width: 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 class="ref"></div>
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</body>
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</html>
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