.faireundon, .faireundon:hover {
display: block;
width: 422px;
height: 151px;
margin: -35px 0px 0px -42px;
background: transparent url(/images/css/btn_fairedon.png) no-repeat left top;	
}
.faireundon:hover {
	background: transparent url(/images/css/btn_fairedon.png) no-repeat left -151px;
}
.faireundon span {
display: none;	
}
span.texte_petit {
font-size: 12px;
}
span.text_big {
font-size: 20px !important;
font-weight: bold !important;
line-height: 60px !important;
}