.item{
	height:128px;
	width:128px;
	background:#FFFFFF;
	-moz-border-radius:64px;
	-webkit-border-radius:64px;
	border-radius:64px;
}
.item:hover{
	background:#009600;
}
@media only screen and (max-width: 576px) {
	.item{
		height:64px;
		width:64px;
		-moz-border-radius:32px;
		-webkit-border-radius:32px;
		border-radius:32px;
	}
}