.one_of_one{
	position:relative;
	float:left;
	width:960px;
	margin:0 0 20px 0;
}
.one_of_two, .two_of_four{width:456px;}
.one_of_three{width:288px;}
.two_of_three{
	width:550px;
}
.one_of_four{width:204px;}
.three_of_four{width:707px;}
.one_of_two, .two_of_four, .one_of_three, .two_of_three, .one_of_four, .three_of_four{
	margin:0 48px 20px 0;
	position:relative;
	float:left;
}
.last{ margin-right:0;}
.clearfix{ clear:both;}
.referans { width:900px;}