title: How to Set Height for the Drop Down of Select box
body: <p>my selectbox is showing scroll when number of options are more than 20 i just want to show scrol in when options are more than 10</p>
  
  <pre><code> &lt;select&gt;
      &lt;option&gt;1&lt;/option&gt;
      &lt;option&gt;2&lt;/option&gt;
      &lt;option&gt;3&lt;/option&gt;
      &lt;option&gt;4&lt;/option&gt;
      &lt;option&gt;5&lt;/option&gt;
      &lt;option&gt;6&lt;/option&gt;
      &lt;option&gt;7&lt;/option&gt;
      &lt;option&gt;8&lt;/option&gt;
      &lt;option&gt;9&lt;/option&gt;
      &lt;option&gt;10&lt;/option&gt;
      &lt;option&gt;11&lt;/option&gt;
    &lt;/select&gt;
  </code></pre>