old_contents: import PropTypes from 'prop-types'
  import styled from 'styled-components'
  
  const Wrapper = styled.div`
    border-radius: 8px;
    box-shadow: rgba(0,0,0,0.4) 0 9px 20px;
    background: white;
  `
  
  const Link = styled.a`
    display: block;
    border-radius: 8px;
    height: 21vh;
    background-image: url(${props => props.image});
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    overflow: hidden;
    text-decoration: none;
  `
  
  const Header = styled.h3`
    margin: 0;
    color: white;
    font-size: 18px;
    position: absolute;
    padding: 10px 10px 0 10px;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(to bottom, black, transparent);
    text-shadow: black 0 2px 4px;
  `
  
  const MediumPost = ({ url, title, image }) =>
    <Wrapper>
      <Link image={image} href={url} target="_blank">
        <Header>{title}</Header>
      </Link>
    </Wrapper>
  
  MediumPost.propTypes = {
    url: PropTypes.object.isRequired,
    title: PropTypes.string.isRequired,
    image: PropTypes.string.isRequired,
  }
  
  export default MediumPost
  
new_contents: import PropTypes from 'prop-types'
  import styled from 'styled-components'
  
  const Wrapper = styled.div`
    border-radius: 8px;
    box-shadow: rgba(0,0,0,0.4) 0 9px 20px;
    background: white;
  `
  
  const Link = styled.a`
    display: block;
    border-radius: 8px;
    height: 21vh;
    background-image: url(${props => props.image});
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    text-decoration: none;
  `
  
  const Header = styled.h3`
    margin: 0;
    color: white;
    font-size: 18px;
    position: absolute;
    padding: 10px 10px 0 10px;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(to bottom, black, transparent);
    text-shadow: black 0 2px 4px;
  `
  
  const MediumPost = ({ url, title, image }) =>
    <Wrapper>
      <Link image={image} href={url} target="_blank">
        <Header>{title}</Header>
      </Link>
    </Wrapper>
  
  MediumPost.propTypes = {
    url: PropTypes.object.isRequired,
    title: PropTypes.string.isRequired,
    image: PropTypes.string.isRequired,
  }
  
  export default MediumPost
  
subject: Update MediumPost.js