create wrapper

+import React from "react";
+import styled from "styled-components";
+import Header from "./Header";
+
+const Wrapper = styled.div`
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+`;
+
+export default () => {
+  return (
+    <Wrapper>
+      <Header />
+    </Wrapper>
+  );
+};