.demo-header {
  background-image: url("../img/backgrounds/lines-top-left-dark.svg");
  background-position: top left;
  background-repeat: no-repeat;
  background-size: 30% auto;
  position: relative;
}

.video-wrapper.ratio-16x9 {
  position: relative;
  width: 100%;
  max-width: 100%;
  /* margin: 0 auto; */
  overflow: hidden;
}