diff --git a/hugo_config/_default/theme_settings.toml b/hugo_config/_default/theme_settings.toml
index e69de29..42a7388 100644
--- a/hugo_config/_default/theme_settings.toml
+++ b/hugo_config/_default/theme_settings.toml
@@ -0,0 +1 @@
+background_color_class = "bg-red"