ptions together, use the optgroup element, with the related option elements inside that element. Label the group with the "label" attribute so users will know what to expect inside the group.</p>
      <p>The optgroup element should be directly inside the select element, and the option  elements directly inside the optgroup. It is possible for a select element to contain both single option elements and optgroup groups, though authors should consider if this is in fact the desired intent when using this. It 