trwnh.com/unified.test.hugo/assets/styles/layouts/_default/single.scss

.layout-_default-single {
	.page-header {
		hr {display: none;}
		.container {
			max-width: 80ch;
			margin-inline: auto;
		}
	}
	.page-title {
		margin-block-start: 0;
		font-size: 2.025rem;
		line-height: 1.15;
		letter-spacing: -0.022rem;
		grid-area: title;
	}
	.page-summary {
		font-style: italic;
		font-size: 1.266rem;
		line-height: 1.15;
		letter-spacing: -0.022rem;
		margin-block-start: 0.5rem;
		grid-area: summary;
	}
	.page-author {
		grid-area: author;
		margin-block: 0;
	}
	.page-date {
		grid-area: date;
		margin-block-end: 0;
	}
	.page-permalink {
		margin-block-end: 0;
		align-self: end;
	}
	.page-toc {
		display: none;
	}
	.page-content {
		max-width: 80ch;
		margin-inline: auto;
	}
	@media (min-width: 60rem) {
		.container {padding: 0;}
		.page[has-toc] {
			display: grid;
			grid-template-columns: 1fr minmax(37em, 80ch) minmax(17em, 20em) 1fr;
			grid-template-rows: auto 1fr;
			gap: 2em;
			.page-header {
				grid-column: 1 / span 4;
				grid-row: 1;
				display: grid;
				grid-template-columns: 1fr minmax(37em, 80ch) minmax(17em, 20em) 1fr;
				gap: 2em;
				.container {
					max-width: unset;
					grid-column: 2 / span 2;
				}
			}
			.page-toc {
				display: block;
				grid-column: 3;
				grid-row: 2;
				position: sticky;
				top: 2em;
				align-self: start;
				justify-self: start;
				max-width: unset;
				details {
					padding: 0;
					background: none;
					#TableOfContents {
						padding-left: 0em;
					}
				}
			}
			.page-content {
				grid-column: 2;
				grid-row: 2;
				max-width: unset;
				.toc {
					display: none;
				}
			}
		}
	}
}