JSFiddle - React, Tailwind, and code Playground
HTML
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<div class="form-group">
<label for="title" class="control-label col-md-3">Titre de la page</label>
<div class="col-md-9 input-group">
<div class="input-group-addon">
@
</div>
<input type="text" value="Value test" class="form-control input-xxlarge" id="title" name="title" size="46" />
<span class="help-block">Help Lorem Ipsum</span>
</div>
</div>