diff --git a/hugo_config/_default/theme_settings.toml b/hugo_config/_default/theme_settings.toml
index 3a6cd7e..82837aa 100644
--- a/hugo_config/_default/theme_settings.toml
+++ b/hugo_config/_default/theme_settings.toml
@@ -1,2 +1,2 @@
 [params]
-background_color_class = "bg-blue"
+background_color_class = "bg-green"