JSFiddle - React, Tailwind, and code Playground

HTML

<select name="select"> <!--Supplement an id here instead of using 'name'-->
  <option value="value1">Value 1</option> 
  <option value="value2" selected>Value 2</option>
  <option value="value3">Value 3</option>
</select>

CSS

select {
  outline:none;
}

select:focus option {
  outline: none;
  -webkit-appearance: none;
}