body {
color:black;
background-color:black;
background-image:url(images/accueil_site3.jpg);
background-attachment:fixed;
background-position:right;
background-repeat:no-repeat;
}

#bouton1{
margin-top:12%;
margin-left:14%;
}

#bouton2{
margin-top:5%;
margin-left:14%;
}