#bg_typo {
position:absolute;
bottom:0px;
right:0px;
width:603px;
height:304px;
background-repeat:no-repeat;
}
#bg_web {
position:absolute;
top:10%;
right:6%;
width:281px;
height:267px;
background-repeat:no-repeat;
}
#bg_archi {
position:absolute;
bottom:10%;
left:0px;
width:408px;
height:212px;
background-repeat:no-repeat;
}
#bg_jeu {
position:absolute;
top:6%;
left:8%;
width:202px;
height:298px;
background-repeat:no-repeat;
}
#bg_shadow {
position:absolute;
top:0px;
left:0px;
width:100%;
height:16px;
background-repeat:repeat-x;
}