.demo {
  margin-top: 3rem;

  display: flex;
  flex-direction: row;
  gap: 1rem;

  justify-content: space-around;

  width: fit-content;

  @media (max-width: 50em) {
    flex-direction: column;
  }
}

video {
  max-width: 100%;
  max-height: 100%;
}