diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b8491c..4f1957b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,8 +8,9 @@
 
 - (Base) Incorrect Notification text width.
 - (CSS) Increased overlay contrast of ModalPane.
-- (Sampler) Music player can't load demo files from jrt.
 - (Sampler) SceneBuilder installer classpath #42 (thanks to **ennerf**).
+- (Sampler) Music player can't load demo files from jrt.
+- (Sampler) Contrast checker bg color.
 
 ## [2.0.0] - 2023-06-02
 
diff --git a/sampler/src/main/resources/atlantafx/sampler/assets/styles/scss/theme/_contrast-checker.scss b/sampler/src/main/resources/atlantafx/sampler/assets/styles/scss/theme/_contrast-checker.scss
index 0f9a9ce..3ab7fb2 100644
--- a/sampler/src/main/resources/atlantafx/sampler/assets/styles/scss/theme/_contrast-checker.scss
+++ b/sampler/src/main/resources/atlantafx/sampler/assets/styles/scss/theme/_contrast-checker.scss
@@ -124,9 +124,12 @@
   }
 
   .card {
-    -fx-background-color: -color-contrast-checker-bg;
     -fx-border-width: 0;
 
+    > VBox {
+      -fx-background-color: -color-contrast-checker-bg;
+    }
+
     .title {
       -fx-text-fill: -color-contrast-checker-fg;
     }