header {
			width: 93.75%; /* 720px / 768px */
		}

		#maincontent{
			width: 93.75%; /* 720px / 768px */
		}

		
		.maincontent{
			width: 93.75%; /* 720px / 768px */
		}

		
		footer {
			width: 93.75%; /* 720px / 768px */
		}
		
    .span_1_of_2 {
		width: 100%; 
		padding:0px;
	}
	.span_1_of_2_alt {
		width: 90%;
		padding-left:15px; 
	}
	
	.span_1_of_3 {
		width: 100%;
		padding-top:0px;
		float:right;
	}
	.span_1_of_3_alt {
		width: 100%;
	}
	.span_1_of_3_alt2 {
		width: 100%;
		padding-top:0px;
	}