JSFiddle - React, Tailwind, and code Playground

HTML

<div id="form-selector">    
<select name='someinput' id='someinput' class="form-control img-input">
<option value="" selected="selected">1</option>
<option value="">2</option>
</select>
</div>

CSS

#form-selector select {
    overflow: -moz-hidden-unscrollable;
  width: 100%;
  height: 35px;
  text-indent: 60px;
	background:#fff;
  margin-bottom:14px;
	font-size: 14px;
  color:#000000;
  -webkit-appearance: menulist;
  display:inline-block;
  line-height: 18px;
}

@-moz-document url-prefix() {
    #form-selector select {
       text-indent: 30px;
    } }
    
.img-input { 
background:url(http://placehold.it/60x30) no-repeat left center #ffffff !important;
}