diff --git a/docs/mkdocs/stylesheets/extra.css b/docs/mkdocs/stylesheets/extra.css
new file mode 100644
index 0000000000..1c57779c52
--- /dev/null
+++ b/docs/mkdocs/stylesheets/extra.css
@@ -0,0 +1,4 @@
+.md-banner {
+    background-color: var(--md-warning-bg-color);
+    color: var(--md-warning-fg-color);
+}
diff --git a/mkdocs.yaml b/mkdocs.yaml
index b6fabbeed1..8468b2bd96 100644
--- a/mkdocs.yaml
+++ b/mkdocs.yaml
@@ -113,6 +113,9 @@ markdown_extensions:
   - mdx_math:
       enable_dollar_delimiter: true
 
+extra_css:
+  - mkdocs/stylesheets/extra.css
+
 extra_javascript:
   - mkdocs/javascript/run_llm_widget.js
   - https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML