diff --git a/myst.yml b/myst.yml
index b68ee85a..3f368b72 100644
--- a/myst.yml
+++ b/myst.yml
@@ -30,3 +30,5 @@ site:
     - title: Learn More
       url: https://mystmd.org/guide
   domains: []
+  options:
+    style: style.css
diff --git a/style.css b/style.css
new file mode 100644
index 00000000..e69de29b