.one_half, .one_half_last{ 
	width:48%;
	float: left; 
}
.one_third, .one_third_last{ 
	width:30.66%; 
	float: left;
}
.two_third, .two_third_last{ 
	width:65.33%; 
	float: left;
}
.one_fourth, .one_fourth_last{ 
	width:22%;
	float: left; 
}
.three_fourth, .three_fourth_last{ 
	width:74%;
	float:left;

}
.one_fifth, .one_fifth_last{ 
	width:16.8%;
	float: left; 
}
.two_fifth, .two_fifth_last{ 
	width:37.6%;
	float: left; 
}
.three_fifth, .three_fifth_last{ 
	width:58.4%; 
	float: left;
}
.four_fifth, .four_fifth_last{ 
	w