title: how to change size dropdown arrow icon?
body: <p>how to change the size of the drop down icon? it is possible in css? thanks if not i i want to replace it to image btn.. thanks!</p>
  
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  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;select&gt;
      &lt;option value="age"&gt;18&lt;/option&gt;
      &lt;option value="age"&gt;19&lt;/option&gt;
      &lt;option value="age"&gt;20&lt;/option&gt;
      &lt;option value="age"&gt;21&lt;/option&gt;
      &lt;option value="age"&gt;22&lt;/option&gt;
      &lt;option value="age"&gt;23&lt;/option&gt;
      &lt;option value="age"&gt;24&lt;/option&gt;
      &lt;option value="age"&gt;25&lt;/option&gt;
      &lt;option value="age"&gt;26&lt;/option&gt;
      &lt;option value="age"&gt;27&lt;/option&gt;
      &lt;option value="age"&gt;28&lt;/option&gt;
      &lt;option value="age"&gt;29&lt;/option&gt;
      &lt;option value="age"&gt;30&lt;/option&gt;
  &lt;/select&gt;</code></pre>
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