diff --git a/client/src/components/Header/styled.ts b/client/src/components/Header/styled.ts
index 9313bb3..10e0a9e 100644
--- a/client/src/components/Header/styled.ts
+++ b/client/src/components/Header/styled.ts
@@ -3,7 +3,7 @@ import styled from 'styled-components';
 export const HeaderContainer = styled.div`
   z-index: 2;
   height: 4rem;
-  width: 100vw;
+  width: 100%;
   display: flex;
   justify-content: space-between;
   padding: 3px;
diff --git a/client/src/pages/Board/styled.ts b/client/src/pages/Board/styled.ts
index 0fb0af9..7783db6 100644
--- a/client/src/pages/Board/styled.ts
+++ b/client/src/pages/Board/styled.ts
@@ -8,7 +8,7 @@ export const UtilWrap = styled.div`
   background: #c4c4c4;
   display: flex;
   align-items: center;
-  justify-content: end;
+  justify-content: flex-end;
   margin: 3px 3px 0 0;
   ${({ theme }) => theme.media.tablet`
 		margin: 3px 3px 6px 0;