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

JSFiddle - React, Tailwind, and code Playground

HTML

<select>
  <optgroup label="Category 1">
    <option>Sub Category 1</option>
    <option>Sub Category 2</option>
  </optgroup> 
  <optgroup label="Category 2">
    <option>Sub Category 3</option>
    <option>Sub Category 4</option>
  </optgroup>
  <optgroup label="Group 3" disabled>
  </optgroup>
</select>

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