add main wrapper

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