10 lines
184 B
HTML
10 lines
184 B
HTML
<!doctype html>
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<html><head>
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<title>Square outline</title>
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<style>
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div { width: 50px; height: 50px;
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outline: 2px solid black;
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}
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</style>
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</head>
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<body><div></div></body></html>
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