.nettoyeur { clear: both; margin: 0; padding: 0; border: none; height: 0; line-height: 1px; font-size: 1px; }
.hr { margin-bottom: 1em; border-bottom: 1px solid #CCC; clear: both; }
.pied { width: 80%; margin-left:10em; margin-right: 10em; border-top: 1px solid #CCC; text-align: center; clear: both; }