JSFiddle - React, Tailwind, and code Playground

HTML

<form action="" id="form"> 

<select class="F2" size="1" name="material" id="mydat">
	<option selected="" value="1">материал любой</option>
	<option value="2">ламинат</option>
</select>
 
<select class="F2" size="1" name="naznachenie" id="mydat2">
	<option value="1">назначение любое</option>
	<option value="2">для дома</option>
</select>
    
</form>

CSS

#form select { margin: 10px; background: lime; }