various changes

src/components/shared/page-container.tsx

@@ -6,7 +6,7 @@ interface Props {
 }
 
 export default function PageContainer(props:Props) {
-    return <div className={`${styles.pagecontainer}`}>
+    return <div className={`${styles.pagecontainer} bg-background`}>
         {props.children}
     </div>;
 }