html{
	visibility: hidden;
}
#blocpr{
	visibility: visible;
}
#blocpr{
	display: block;
	position: absolute;
	top: 0;
	left: 0;
}
<!--[if lt IE 8]>
#blocpr{
	width: 21.0cm;
	height: 29.7cm;
}
<!--[endif]-->