.one_of_one{ position:relative; float:left; width:960px; margin:0 0 40px 0;}
.one_of_two, .two_of_four{width:456px;}
.one_of_three{
	width:960px;
}
.two_of_three{
	width:960px;
}
.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{
	position:relative;
	float:left;
	margin-top: 0;
	margin-right: 44px;
	margin-bottom: 40px;
	margin-left: 0;
}
.last{ margin-right:0;}
.clearfix{ clear:both;}