<select>
<option value="option1">選項1</option>
<option value="option2" selected>選項2</option>
<option value="option3">選項3</option>
</select>

<select multiple>
<option value="option1">選項1</option>
<option value="option2">選項2</option>
<option value="option3">選項3</option>
</select>

select {
background-color: #fff;
border: 1px solid #ccc;
padding: 5px;
font-size: 14px;
width: 150px;
border-radius: 4px;
}