feat: session list responsive

src/routes/404/index.tsx

@@ -1,5 +1,4 @@
-import StyledWrapper from "./styled";
 
 export default function NotFoundPage() {
-  return <StyledWrapper>404 page</StyledWrapper>;
+  return <div>404 page</div>;
 }

src/routes/404/styled.tsx

@@ -1,7 +0,0 @@
-import styled from "styled-components";
-
-const StyledWrapper = styled.div`
-  display: flex;
-`;
-
-export default StyledWrapper;