diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 71c42f3196..c0c5ac91e3 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -2763,6 +2763,7 @@ table th[class*="span"],
 }
 
 .icon-folder-close {
+  width: 16px;
   background-position: -384px -120px;
 }