main {
	background-color: #f4f7f9;
	color: #2c3e50;
}
.back-link {
	color: #0088cc;
	font-weight: bold;
	font-size: 95%;
	display: inline grid;
	grid-template-columns: auto auto;
	align-items: center;
	gap: 0.5em;
	border-block-end: 1.5px solid transparent;
	padding-block-end: 2px;
	&:hover {
		border-color: currentColor;
	}
}
@media (width < 768px) {
	main {
		padding-block-start: 1.5em;
		padding-block-end: 4.5em;
	}
}
@media (width >= 768px) {
	main {
		padding-block-start: 2.8em;
		padding-block-end: 8em;
	}
	.w740 {
		box-sizing: border-box;
		max-inline-size: 740px;
		margin-inline: auto;
	}
	.back-link {
		margin-inline-start: 2rem;
	}
}