footer {
  border-top: 1px double var(--color-main);
  padding: 0.5rem;
  text-align: center;
  margin-top: 1rem;

  a.go-up {
    color: var(--color-main);
    text-decoration: none;
    font-weight: bold;

    img {
      width: 28px;
      height: 28px;
      vertical-align: middle;

      &:first-of-type {
        transform: scaleX(-1);
      }
    }
  }
}