.embed-container {
  --video--width: 406;
  --video--height: 582;
  position: relative;
  width: 100%;
  max-width: calc(var(--video--width) * 1px);
  background: black;
  border-radius: 12px;
  margin: 0 auto;
  overflow: hidden;
}

.embed-container::before {
  content: "";
  display: block;
  padding-top: calc(var(--video--height) / var(--video--width) * 100%);
}

.embed-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}