35 lines
637 B
HTML
35 lines
637 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<style type="text/css">
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select {
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width: 100px;
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height:100px;
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font-family: sans-serif;
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font-size: 12px;
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border: 1px solid black;
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box-sizing: border-box;
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}
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#cover {
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position: absolute;
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width: 100px;
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height:300px;
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background-color: black;
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left: 80px;
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top: 0px;
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}
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.red { color: red; }
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</style>
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</head>
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<body>
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<select size="4">
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<option>One</option>
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<option class=red>Two</option>
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</select><br><select size="4">
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<optgroup label="Optgroup1"></optgroup>
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<optgroup label="Optgroup2" class=red></optgroup>
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</select>
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<div id=cover></div>
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</body>
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</html>
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