diff --git a/src/frontend/apps/impress/src/cunningham/cunningham-style.css b/src/frontend/apps/impress/src/cunningham/cunningham-style.css
index 79e23641..3a1b5c8d 100644
--- a/src/frontend/apps/impress/src/cunningham/cunningham-style.css
+++ b/src/frontend/apps/impress/src/cunningham/cunningham-style.css
@@ -38,6 +38,13 @@
   );
 }
 
+/**
+ * Modal
+*/
+.c__modal__backdrop {
+  z-index: 1000;
+}
+
 /**
  * Tooltip
 */