.responsive-wrapper {
	margin:0 auto;

	min-width:60px; /* 180p */
	max-width:800px; /* 450p */
	width:100%;

	-webkit-box-sizing: border-box;
	-khtml-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
}