diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index 4f5f8f92264c1..9fe8654ae0f68 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -2040,7 +2040,7 @@ button#toggle-all-docs:before {
/* Custom arrow icon */
content: url('data:image/svg+xml,');
+ ');
width: 18px;
height: 18px;
filter: var(--settings-menu-filter);