15 lines
251 B
HTML
15 lines
251 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<style>
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button {
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height: 30px;
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width: 30px;
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outline: none;
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}
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</style>
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</head>
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<body>
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<button id="changeColor"></button>
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</body>
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</html> |