.lien { float: left; height: 40px; margin: 0 8px 8px 0; text-align: center; vertical-align: bottom; width: 100px; }
.lien a { text-decoration: none; color: #525E69; }

h2 { margin-bottom:10px; 15px; margin-top: 15px}
.lien a:hover {color:orange; font-weight:bold}