rustdoc: fix item-spacer

rol1510 · rol1510 · commit a4f668fe8b94 · 2022-11-26T02:01:38.000+01:00
diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
@@ -1223,6 +1223,7 @@ a.test-arrow:hover {
 .item-spacer {
 	width: 100%;
 	height: 12px;
+	display: block;
 }
 
 .out-of-band > span.since {
