diff --git a/src/components/forms/custom-form-builder.tsx b/src/components/forms/custom-form-builder.tsx
index b686dce..7342044 100644
--- a/src/components/forms/custom-form-builder.tsx
+++ b/src/components/forms/custom-form-builder.tsx
@@ -300,14 +300,16 @@ export function CustomFormBuilder() {
     setTemplates((data ?? []) as unknown as SavedTemplate[]);
   };
 
-  // Apply font style + line height to editor DOM
+  // Apply font style + line height + page margin to editor DOM
   useEffect(() => {
     if (!editor) return;
     const el = editor.view.dom as HTMLElement;
     el.style.fontFamily = `"${fontFamily}", Georgia, serif`;
     el.style.fontSize = `${fontSize}pt`;
     el.style.lineHeight = String(lineHeight);
-  }, [editor, fontFamily, fontSize, lineHeight]);
+    const padPx = Math.round(marginInches * 96);
+    el.style.padding = `${padPx}px`;
+  }, [editor, fontFamily, fontSize, lineHeight, marginInches]);
 
   const insertVar = (key: string) => {
     if (!editor) return;