diff --git a/frontend/resources/styles/main/partials/viewer-thumbnails.scss b/frontend/resources/styles/main/partials/viewer-thumbnails.scss
index 22477cb82..03b60ae12 100644
--- a/frontend/resources/styles/main/partials/viewer-thumbnails.scss
+++ b/frontend/resources/styles/main/partials/viewer-thumbnails.scss
@@ -184,4 +184,8 @@
   grid-row: 1 / span 2;
   grid-column: 1 / span 1;
   z-index: 11;
+
+  &.invisible {
+    display: none;
+  }
 }