#siteContainer { text-align: center; } .siteItem { 	display: inline-block; 	clear: both; 	padding: 0 0.1%; }  @media screen and ( max-width: 720px ) { 	.siteItem { 		padding: unset; 		width: 49.5%; 		margin: 2% 0; 	} 	.siteItem:nth-of-type(even) { 		float: left; 		clear: none; 	} 	.siteItem:nth-of-type(odd) { 		float: right; 	} 	#siteContainer:after { 		content: ''; 		clear: both; 		display: block; 	} }