.video-wrapper {
  width: 100%;
  max-width: 800px; /* O al ancho que desees */
  margin: 0 auto;
}

.video-wrapper .field__item,
.video-wrapper .media-youtube-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
}