diff --git a/config/en/mkdocs.yaml b/config/en/mkdocs.yaml
index db29243..5573d09 100755
--- a/config/en/mkdocs.yaml
+++ b/config/en/mkdocs.yaml
@@ -10,7 +10,7 @@ theme:
     - toc.follow
   palette: 
     - scheme: slate
-      primary: black
+      primary: custom
       accent: teal
   language: en
 
diff --git a/docs/stylesheets/extra.css b/docs/stylesheets/extra.css
index abcb992..f61e8d8 100644
--- a/docs/stylesheets/extra.css
+++ b/docs/stylesheets/extra.css
@@ -1,6 +1,5 @@
-[data-md-color-scheme="slate"] {
-  --md-hue: 210; 
+:root {
   --md-primary-fg-color:        #EE0F0F;
   --md-primary-fg-color--light: #ECB7B7;
   --md-primary-fg-color--dark:  #90030C;
-}
\ No newline at end of file
+}