세금계산서 다운로드 및 일부 UI 변경

src/widgets/sub-layout/index.tsx

@@ -406,6 +406,10 @@ export const SubLayout = () => {
 
   return (
     <div className={ wrapperClassName }>
+      <div 
+        className="header-empty-block" 
+        style={{ width: '100%', height: '50px' }}
+      ></div>
       <Fragment>
         <HeaderNavigation
           onBack={ onBack }