fix: overflow visible for drakon-canvas container

index.html

@@ -874,7 +874,7 @@ button { font-family: inherit; cursor: pointer; border: none; background: none;
   display: flex;
   align-items: center;
   justify-content: center;
-  overflow: hidden;
+  overflow: visible;
 }
 
 #drakon-canvas > div {