.f2-bg-1 {
	top:0px;left:0px;
	width:450px;height:250px;
	background-position:-0px -251px;
}

#f3-bg-1 {
	top:0px;left:0px;
	width:450px;height:250px;
	background-position:-0px -502px;
}

#f4-bg-1 {
	top:0px;left:0px;
	width:450px;height:250px;
	background-position:-0px -753px;
}

#f5-bg-1 {
	top:0px;left:0px;
	width:450px;height:250px;
	background-position:-0px -0px;
}