.video-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 0;
  padding-bottom: 56.25%; 
  position: relative;
  max-width: 100%; 
  margin: 0 auto; 
}

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