diff --git a/styles/h5p-confirmation-dialog.css b/styles/h5p-confirmation-dialog.css
index 05e3a3f..f8c23ff 100644
--- a/styles/h5p-confirmation-dialog.css
+++ b/styles/h5p-confirmation-dialog.css
@@ -11,7 +11,7 @@
   -webkit-transition: opacity 0.1s, linear 0s, visibility 0s linear 0s;
   transition: opacity 0.1s linear 0s, visibility 0s linear 0s;
 
-  z-index: 11;
+  z-index: 101;
 }
 
 .h5p-confirmation-dialog-background.hidden {