Youtube video iframe responsive

.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 25px;
  height: 0;
  max-width: 1920px;
  margin: 0 auto;

  iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-height: 1080px;
  }
}