diff --git a/partials/header-background.hbs b/partials/header-background.hbs
index a7faa36..e527487 100644
--- a/partials/header-background.hbs
+++ b/partials/header-background.hbs
@@ -38,7 +38,7 @@ with a `no-image` class so we can style it accordingly.
         }
     }
 </style>
-<div class="h-full responsive-header-img bg-cover bg-center">
+<div class="h-full responsive-header-img bg-cover bg-center bg-yuika-blue-500">
 
 {{else}}
 
diff --git a/partials/post-background.hbs b/partials/post-background.hbs
index 8da538a..e42aefd 100644
--- a/partials/post-background.hbs
+++ b/partials/post-background.hbs
@@ -24,7 +24,7 @@ with a `no-image` class so we can style it accordingly.
         }
     }
 </style>
-<div class="h-64 responsive-{{slug}}-img bg-cover bg-center">
+<div class="h-64 responsive-{{slug}}-img bg-cover bg-center bg-yuika-blue-500">
 
 {{else}}