post-to-post pagination and a few spacing tweaks

css/nav.css

@@ -205,6 +205,7 @@ footer ul {
 	list-style: none;
 	gap: .5rem;
 	justify-content: center;
+	margin: 0;
 }
 
 footer li {
@@ -238,16 +239,27 @@ footer a:focus-visible {
 }
 
 /* Pagination */
+.pagination,
+.pagination li {
+	margin: 0;
+}
+
 .pagination {
 	display: grid;
 	grid-template-columns: repeat(2, 1fr);
 	grid-template-areas: "older newer";
 	list-style: none;
+	margin-top: 3rem;
 }
 
-.pagination,
-.pagination li {
-	margin: 0;
+@media (max-width: 650px) {
+	.post-pagination {
+		grid-template-columns: 1fr;
+		grid-template-areas:
+			"older"
+			"newer";
+		gap: .75rem;
+	}
 }
 
 .pagination .older {