body {
}

.cat {
	display: grid;
	grid-template-columns: 20rem 1fr 1fr 1fr;
}
.cat > div {
	display: block;
	padding: 1em;
	width: 10em;
}
.cat_header > div {
	font-weight: bold;
}
.cat:nth-child(event) {
	background-color:#f1f1f1;
}
.cat:nth-child(odd) {
	background-color:#eaeaea;
}