main-site/components/styles/navbar.tsx

import styled from 'styled-components'
import Link from 'next/link';

interface ActivePropType {
  active?: false | true;
}

export const NavWrap = styled.div`
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid ${({ theme }) => theme.colors.primary};
`

export const NavBar = styled.nav`
  margin-right: 1%;
  display: flex;
  flex: 1;
  padding: 1rem 0;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
`

export const NavLink = styled(Link)<ActivePropType>`
  color: ${props => props.active ? ({ theme }) => theme.colors.secondary : ({ theme }) => theme.colors.primary};
  margin: 0.2rem;
  border: 1px solid;
  border-radius: 5px;
  padding: 0.2rem 0.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: color 0.15s ease, border-color 0.15s ease;

  &:hover {
    color: ${({ theme }) => theme.colors.secondary};
  }

`