#container { 
	margin-left: auto;
	margin-right: auto;
	left: 5%;
	right: 5%;
	max-width: 960px;
	width: 90%;
}

* html #container { 
	margin-left: -480px;
	margin-right: auto;
	left: 50%;
	right: auto;
	width: 960px;
}

*+html #container { 
	margin-left: -480px;
	margin-right: auto;
	left: 50%;
	right: auto;
	width: 960px;
}