header.php

    <div class="row" style="margin-top:10px;">
        <div class="col-md-12">
            <div class="panel panel-info">
                <div class="panel-heading">
                    <h1>Boite de Messagerie</h1>					
                </div>
            </div>
        </div>
    </div>
	<div class="row">
		<div class="col-md-12">
			<div class="well">
				<h4>
					Bonjour Mr <?= $_SESSION["user"] ?> <a href="dec.php">(Deconnexion)</a>
				</h4>
			</div>
		</div>
	</div>