* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 0;
}

.iframe-container {
  width: 100%;
  max-width: 100%;
  aspect-ratio: 16 / 9;
}

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