React Component not loading in localhost - reactjs

Question

i am currently following a tutorial to build a react website, however, i am unable to load NavBar (code is below) on my localhost. the web pack is being complied successfully and i am able to load a normal header, just not NavBar. i have attached the codes below. appreciate all the helps and inputs. tia
video that i am following: https://www.youtube.com/watch?v=Nl54MJDR2p8&t=375s
App.js
import './App.css';
import Navbar from './components/NavBar';
import { BrowserRouter as Router } from 'react-router-dom';
function App() {
return (
<Router>
<Navbar />
</Router>
);
};
export default App;
index.js for NavBar
import React from 'react';
import { FaBars } from 'react-icons/fa';
import { Nav, NavbarContainer, NavLogo, MobileIcon, NavMenu, NavItem, NavLinks } from './NavBarElements';
const Navbar = () => {
return (
<>
<Nav>
<NavbarContainer>
<NavLogo to='/'>Blockchain Voting System</NavLogo>
<MobileIcon>
<FaBars />
</MobileIcon>
<NavMenu>
<NavItem>
<NavLinks to="about">About</NavLinks>
</NavItem>
</NavMenu>
</NavbarContainer>
</Nav>
</>
);
};
export default Navbar;
NavBarElements.js
import styled from 'styled-components'
import { Link as LinkR } from 'react-router-dom'
import { Link as LinkS } from 'react-scroll'
export const Nav = styled.nav`
background: #000;
height: 80px;
// margin-top: -80px;
display: flex;
justify-content: center;
align-items: center;
font-size: 1rem;
position: sticky;
top: 0;
z-index: 10;
#media screen and (max-width: 960px){
transition: 0.8s all ease;
}
`;
export const NavbarContainer = styled.div`
display: flex;
justify-content: space-between;
height: 80px;
z-index: 1;
width: 100%;
padding: 0 24px;
max-width: 1100px;
`;
export const NavLogo = styled(LinkR)`
color: red;
justify-self: flex-start;
cursor: pointer;
font-size: 1.5rem;
display: flex;
align-items: center;
margin-left: 24px;
font-weight: bold;
text-decoration: none;
`;
export const MobileIcon = styled.div`
display: none;
#media screen and (max-width: 768px) {
display: block;
position: absolute;
top: 0;
right: 0;
transform: translate(-100%, 60%);
font-size: 1.8rem;
cursor: pointer;
}
`;
export const NavMenu = styled.ul`
display: flex;
align-items: center;
list-style: none;
text-align: center;
margin-right: -22px;
#media screen and (max-width: 768px) {
display: none;
}
`;
export const NavItem = styled.li`
height: 80px;
`;
export const NavLinks = styled(LinkS)`
color: #fff;
display: flex;
align-items: center;
text-decoration: none;
padding: 0 1 rem;
height: 100%;
cursor: pointer;
&.active {
border-bottom: 3px solid #01bf71;
}
`;