body{margin:0px}

main{
		display:flex;flex-wrap:wrap;
		justify-content:center;
		align-items:stretch;
		}
main>.item{
		flex:none;
		width:330px;margin:10px;
		font-family:Sans-serif;
		color:white;font-size:14px;
		text-align:center;
	}
	
	@media (max-width:1200px){
		main>.item{width:45%;}
		}
		@media (max-width:500px){
		main>.item{	width:90%;}
		}