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<!doctype html>
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<title>Example</title>
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<style>
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div {
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  font-size: 5vw;
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  padding: 5vw;
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  margin: 5vw;
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  outline: 5vw solid orange;
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  border: 1vw solid green;
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  }
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</style>
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<div>Orange outline, green border.</div>