styles/video.css

.video-container {
  display: flex;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.iframe {
  width: 100%;
  height: 445px;
}

@media (max-width: 800px) {
  .iframe {
    width: 90vw;
    height: 45vw;
  }
}