developer-roadmap/components/link/index.js

import styled from 'styled-components';

export const StrongLink  = styled.a`
  border-bottom: 2px solid currentColor;
  position: relative;
  transition: background-color 120ms;
  text-decoration: none;
  font-weight: 600;
  
  &:hover {
    text-decoration: none;
  }
`;