.scroll-spacer {
  align-items: center;
  background-color: #1a1a1a;
  border-radius: 30px;
  display: flex;
  justify-content: center;
  height: 75vh;
  margin: 1em auto;
  width: 90%;
}
video {
  display: block;
  height: auto;
  margin: auto;
  position: relative;
  width: 100%;
}
.video-wrap {
  margin: 0 auto;
  position: relative;
  width: 90%;
}
.video-wrap:after {

  content: '';
  display: block;
  position: absolute;
  width: 100%;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
}