.site{
	width:100%;
	height:71%;
	overflow-y:auto;
	overflow-x:hidden;
	margin-top:-300%; /*-150%*/
	position:absolute;
	background-color:#f5d800;
	background-image:url(imagens/pagina1.jpg);
	z-index:2;
	transition:all 1.5s ease-in-out;
	-moz-transition:all 1.5s ease-in-out;
	-webkit-transition:all 1.5s ease-in-out;
	-o-transition:all 1.5s ease-in-out;
	box-shadow:0 4px 7px rgba(0,0,0,0.6);
	-moz-box-shadow:0 4px 7px rgba(0,0,0,0.6);
	-webkit-box-shadow:0 4px 7px rgba(0,0,0,0.6);
	-o-box-shadow:0 4px 7px rgba(0,0,0,0.6);
}
.site:target{
	background-image:url(imagens/pagina1.jpg);
	margin-top:0;
	top:0;
}