.video-container1 {
  width: 100%;
  max-width: 650px;
  aspect-ratio: 16 / 9;
  margin-left: 0;
}

.video-container1 iframe,
.video-container1 object,
.video-container1 embed {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}