JSFiddle - React, Tailwind, and code Playground

HTML

<div class="select-wrapper">
<select>
   <optgroup class="swe-car" label="Swedish Cars">
     <option value="swedish-cars">Swedish Cars</option>
     <option value="volvo">Volvo</option>
     <option value="saab">Saab</option>
   </optgroup>
</select> 
</div>

JavaScript

$().ready(function(){    
    $('select').focus(function(){
       $('select option').eq(0).hide();
    });
});