rustdoc: improve alignment of out-of-band page info

Author: notriddle

src/librustdoc/html/static/css/rustdoc.css

@@ -607,6 +607,9 @@ ul.block, .block li {
 .out-of-band {
 	flex-grow: 0;
 	font-size: 1.125rem;
+	align-items: end;
+	display: flex;
+	gap: 0.25em;
 }
 
 .docblock code, .docblock-short code,
@@ -1675,6 +1678,7 @@ in src-script.js
 		text-align: left;
 		margin-left: initial;
 		padding: initial;
+		display: block;
 	}
 
 	.out-of-band .since::before {