<style>		@media screen and (min-width: 481px) and (max-width: 899px) {
			.mosaic .mosaic__item  {
				width: 100%;
			}
		}

		@media screen and (min-width: 900px) and (max-width: 1249px) {
			.mosaic .mosaic__item  {
				width: 50%;
			}
		}

		@media screen and (min-width: 1250px){
			.mosaic .mosaic__item  {
				width: 50%;
			}
		}</style>