diff --git a/templates/Japanese sentences/template.css b/templates/Japanese sentences/template.css
index 62cd8b4..08a56f6 100644
--- a/templates/Japanese sentences/template.css	
+++ b/templates/Japanese sentences/template.css	
@@ -360,7 +360,7 @@ ol {
 
 .nightMode.card {
     color: #FFFFFF;
-    background-color: black;
+    background-color: #212121;
 }
 
 .nightMode .wrap {