main {
  position: relative;
  z-index: 1;
  max-height: 30vh;
  display: flex;
  align-items: center;
  justify-content: center;
  // to actually clip the video, just set overflow to hidden 
  //overflow: hidden;
}

.video-wrap {
  position: relative;
  z-index: 0;
  align-self: center;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  box-sizing: border-box;
}

iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}