diff --git a/ome2024-ngff-challenge/src/ImageList.svelte b/ome2024-ngff-challenge/src/ImageList.svelte
index edb303d..68b17e9 100644
--- a/ome2024-ngff-challenge/src/ImageList.svelte
+++ b/ome2024-ngff-challenge/src/ImageList.svelte
@@ -59,6 +59,7 @@
     margin: auto;
     flex: auto 1 1;
     overflow: hidden;
+    background-color: var(--background-color);
   }
 
   .row {
diff --git a/ome2024-ngff-challenge/src/app.css b/ome2024-ngff-challenge/src/app.css
index 12640e5..675347d 100644
--- a/ome2024-ngff-challenge/src/app.css
+++ b/ome2024-ngff-challenge/src/app.css
@@ -14,7 +14,6 @@
 
   color-scheme: light dark;
   color: rgba(255, 255, 255, 0.87);
-  background-color: #242424;
 
   font-synthesis: none;
   text-rendering: optimizeLegibility;
@@ -64,6 +63,7 @@ body {
     --bg-opacity: 0;
     background: black;
     color: #bbb;
+    --background-color: #222;
     --light-background: #222;
     --border-color: #333;
     --selected-background: #444;