#contenu #bouton-eng {
width:579px;
}

#contenu #bouton-eng #eng-centre1 {
width: 340px;
}

#contenu #bouton-eng #eng-centre1 #eng-centre1-m {
width: 340px;
}

#contenu #bouton-eng #eng-centre1 #eng-centre1-b {
width: 340px;
}