body {
	background-image: url("image/fondpessi.jpg");
	background-repeat: no-repeat;
	background-position-x: top;
	background-size: 100%;
	margin: auto;

} 


#boutonsuivant {
position: absolute;
left: 800px;
top: 600px;
}

#boutonback {
position: absolute;
left: 600px;
top: 600px;
}

#boutonhome {
position: absolute;
left: 00px;
top: 00px;
}