如何让禁用选项在 select html 处变为粗体和黑色？

Question

系统默认select是“请Select”选项，它被禁用select。现在选项是灰色的。我可以将它加粗并让颜色为黑色吗？

谢谢。

 <select id="commentType" name="commentType" required="true" >
        
                                            <option value="Please Select" disabled selected>Please Select</option>
                                            <option value="Bonus Point">Bonus Point</option>
                                            <option value="Car Park">Car Park</option>
                                            <option value="Gift">Gift</option>
                                            <option value="Promotion">Promotion</option>
                                            <option value="Technical Support">Technical Support</option>
                                            <option value="Others">Others</option>
        
    </select>

enter image description here

Answer 1

试试这个..

<select id="commentType" name="commentType" required="true">

  <option value="Please Select" disabled selected style="font-weight:bold;color:black">Please Select</option>
  <option value="Bonus Point">Bonus Point</option>
  <option value="Car Park">Car Park</option>
  <option value="Gift">Gift</option>
  <option value="Promotion">Promotion</option>
  <option value="Technical Support">Technical Support</option>
  <option value="Others">Others</option>

</select>

如何让禁用选项在 select html 处变为粗体和黑色？

How can I let the disable option being bold and black at select html?

html

css

select

option

optgroup