<p>The select below has a size of 3, but a much larger height.</p>
<select size="3" style="height: 250px;">
    <option>one</option>
    <option>two</option>
    <option>three</option>
    <option>four</option>
    <option>five</option>
    <option>six</option>
    <option>seven</option>
    <option>eight</option>
    <option>nine</option>
    <option>ten</option>
    <option>eleven</option>
    <option>twelve</option>
    <option>thirteen</option>
</select>