JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row">
	<div class="col-md-4">
    	<div class="form-group">
         <select class="form-control optiongrup">
         	<option>1</option>
            <option>2</option>
            <option>3</option>
            <option>4</option>
         </select>
        </div>
    </div>
</div>

CSS

option{
   font-size:50px;
}