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 <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 <sup>*</sup></label>
<select class="form-control ">
<option value=""></option>
<option value="1">2015</option>
</select>
</div>
</div>
</form>