code: function PhotoItem({ id, username, src, name }) {
    return (
      <div key={id} className="col-3@xs col-4@sm photo-item">
        <div className="aspect aspect--4x3">
          <div className="aspect__inner">
            <img src={src} />
            <PhotoAttribution username={username} name={name} />
          </div>
        </div>
      </div>
    )
  }
docs: A grid item for a photo.
  @param {{ id: number, username: string, src: string, name: string }} props Component props.
  @return {JSX.Element}