body
{
	font-family:Arial;
	background-image:url(Fond2020.jpg);
	z-index: 1;
	background-attachment: fixed;
}
.opacity {
	opacity:0.8;
	filter:alpha(opacity=80);
}
.ombre {
box-shadow: 4px 4px 5px #555555;
-webkit-box-shadow: 4px 4px 5px #555555;
-moz-box-shadow: 4px 4px 5px #555555;

}
anim {
	z-index: 1;
}

Obj2 {
  z-index: 2;
}