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    <p>The <mark>quick brown fox</mark> jumps over the lazy dog.</p>
    <meter value="80" min="0" max="100" low="30" high="70" optimum="80"></meter>
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      The word
      <wbr /> pneumonoultramicroscopicsilicovolcano<wbr />coniosis<wbr /> is a
      lung disease caused by the inhalation of very fine silica dust found in
      volcanoes and quarries.
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      <optgroup label="Asia">
        <option value="ph">Philippines</option>
        <option value="kr">South Korea</option>
        <option value="jp">Japan</option>
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      <optgroup label="Europe">
        <option value="fr">France</option>
        <option value="de">Germany</option>
        <option value="it">Italy</option>
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      <optgroup label="North America">
        <option value="us">United States</option>
        <option value="ca">Canada</option>
        <option value="mx">Mexico</option>
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