diff --git a/power-example.md b/power-example.md
index 10f3e69..503bf26 100644
--- a/power-example.md
+++ b/power-example.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