Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<select>
  <optgroup label="Terestrial">
    <option value="Car">Car</option>
    <option value="Tank">Tank</option>
  </optgroup>
  <optgroup label="Air">
    <option value="Airplain">Airplain</option>
    <option value="Helicopter">Helicopter</option>
  </optgroup>
  <optgroup label="Water">
    <option value="Ship">Ship</option>
    <option value="Submarine">Submarine</option>
  </optgroup>
</select>

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