.group .line {
	padding: 2rem;
}

.group .line:nth-child(4n+1),
.group .line:nth-child(4n+4) {
	background-color: #f0f0f0;
}

.group .line:nth-child(4n+2),
.group .line:nth-child(4n+3) {
	background-color: #ffffff;
}