diff --git a/assets/css/themes/light-cyan.css b/assets/css/themes/light-cyan.css
index fffbf118..9189f03f 100644
--- a/assets/css/themes/light-cyan.css
+++ b/assets/css/themes/light-cyan.css
@@ -55,5 +55,5 @@ $image-overlay-background-color: #000000;
  */
 
 :root {
-  --keep: #aaaaaa;
+  --background-odd-color: #e2f1f1;
 }
diff --git a/assets/css/themes/light-gray.css b/assets/css/themes/light-gray.css
index 66b20c7e..d9baef39 100644
--- a/assets/css/themes/light-gray.css
+++ b/assets/css/themes/light-gray.css
@@ -66,4 +66,5 @@ $image-overlay-background-color: #000000;
   --border-color: hsl(from $base-color h calc(s - 16) calc(l + 15));
   --media-box-color: hsl(from $base-color h calc(s - 26) calc(l + 20));
   --media-box-hover-color: hsl(from $base-color h calc(s - 20) calc(l + 14));
+  --background-odd-color: #eaeaea;
 }
diff --git a/assets/css/themes/light-green.css b/assets/css/themes/light-green.css
index ba35a911..db20e9b1 100644
--- a/assets/css/themes/light-green.css
+++ b/assets/css/themes/light-green.css
@@ -57,4 +57,5 @@ $image-overlay-background-color: #000000;
 
 :root {
   --comment-color: #9273d0;
+  --background-odd-color: #e6f3ea;
 }
diff --git a/assets/css/themes/light-yellow.css b/assets/css/themes/light-yellow.css
index 3aea7aa5..683116fb 100644
--- a/assets/css/themes/light-yellow.css
+++ b/assets/css/themes/light-yellow.css
@@ -56,4 +56,5 @@ $image-overlay-background-color: #000000;
 
 :root {
   --comment-color: #9273d0;
+  --background-odd-color: #f5efde;
 }