diff --git a/static/css/main.css b/static/css/main.css
index 2a39fa0..ecb4e93 100644
--- a/static/css/main.css
+++ b/static/css/main.css
@@ -23,6 +23,9 @@
   --midlight-blue: #93d9eb;
   --base-blue: #33c6ee;
   --base-dark: #041417;
+
+  --admonition-header-backgroud: #5b7990;
+  --admonition-backgroud: #9fa3a6;
 }