title: putting line-height in select box
body: <p>how is putting <code>line-height: 40px;</code> for <code>option</code> in <code>select box</code>?</p>
  
  <pre><code>&lt;select class="select_box"&gt;
      &lt;option value="" disabled="disabled" style="display: none;"&gt;Categories&lt;/option&gt;
      &lt;option&gt;10&lt;/option&gt;
      &lt;option&gt;25&lt;/option&gt;
      &lt;option&gt;50&lt;/option&gt;
      &lt;option&gt;100&lt;/option&gt;
      &lt;option&gt;all&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>