JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" integrity="sha512-dTfge/zgoMYpP7QbHy4gWMEGsbsdZeCXz7irItjcC3sPUFtf0kuFbDz/ixG7ArTxmDjLXDmezHubeNikyKGVyQ==" crossorigin="anonymous">
<form action="" method="post" class="form-horizontal">
	<div class="form-group">
		<div class="col-sm-6">
			<label>Test1&nbsp;<sup>*</sup></label>
			<select class="form-control">
				<option value=""></option>
				<option value="1" selected="selected">1</option>
			</select>
		</div>
		<div class="col-sm-6">
			<ul class="error_list">
				<li>Ce champ est requis.</li>
			</ul>
			<label>test2&nbsp;<sup>*</sup></label>
			<select class="form-control ">
				<option value=""></option>
				<option value="1">2015</option>
			</select>
		</div>
	</div>
</form>