diff --git a/readme.md b/readme.md
index 1e38358..6600179 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,5 @@
 ```mermaid
+  %%{init: {'theme':'base'}}%%
   graph TD;
     %% Class Definitions
     classDef root fill:#ff0000,stroke:#000,stroke-width:2,color:#fff; %% Red background, white text