Template:Motd/Day/styles.css

.motd-day-advanced {
	border: 1px solid #c8ccd1;
}
.motd-day-advanced .mw-collapsible-head {
	background-color: #eaecf0;
	padding: 1px 1em;
	text-align: center;
	font-weight: bold;
}
.motd-day-advanced .mw-collapsible-content {
	margin-top: 2px;
	margin-bottom: 2px;
}
@media (min-width: 1000px) {
	.motd-day {
		display: flex;
	}
	.motd-day > div:first-child {
		flex: 1;
	}
	.motd-day > div:last-child {
		flex: 1;
	}
	.motd-day > hr {
		display: none;
	}
}