22 lines
239 B
HTML
22 lines
239 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<style>
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#a {
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filter: brightness(1);
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border-style: solid;
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}
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#b {
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opacity: 0.2;
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}
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</style>
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</head>
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<body>
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<span id="b">
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<span id="a">
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<div></div>
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</span>
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</span>
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</body>
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</html>
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