diff --git a/src/css/lightbox.css b/src/css/lightbox.css
index b3b0beb3..ab83d780 100644
--- a/src/css/lightbox.css
+++ b/src/css/lightbox.css
@@ -3,7 +3,7 @@ body.lb-disable-scrolling {
 }
 
 .lightboxOverlay {
-  position: absolute;
+  position: fixed;
   top: 0;
   left: 0;
   z-index: 9999;