.article-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 32px 0 40px;
  border-radius: 14px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.article-video iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}