a.bouton{
color: brown;
font-family:Arial,Geneva,Helvetica,Swiss,Verdana;
font-size: 12px;
background: #FFFF99;
border: 2px outset silver;
width: 10px;
padding: 2px;
position: relative;
text-decoration: none;
}




a:hover.bouton{
color: #FFFF99;
background: #888888;
border: 2px outset silver;
text-decoration: none;
font-size : 100%;
font-family : Verdana, Arial, Helvetica, Sans-serif;
color : white;
}