.contact a{
display:block;
float:center;
background:url('images/contact.png') 0 0 no-repeat;
width:123px;
height:37px;
}
.contact a:hover{
background-position:0 -37px;
}
.services a{
display:block;
float:center;
background:url('images/services.png') 0 0 no-repeat;
width:104px;
height:37px;
}
.services a:hover{
background-position:0 -37px;
}
.mission a{
display:block;
float:center;
background:url('images/mission.png') 0 0 no-repeat;
width:128px;
height:37px;
}
.mission a:hover{
background-position:0 -37px;
}
.produit a{
display:block;
float:center;
background:url('images/produit.png') 0 0 no-repeat;
width:188px;
height:37px;
}
.produit a:hover{
background-position:0 -37px;
}
.propos a{
display:block;
float:center;
background:url('images/propos.png') 0 0 no-repeat;
width:141px;
height:37px;
}
.propos a:hover{
background-position:0 -37px;
}