.youtube-video-wrapper {
  position: relative;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  background: #000;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.youtube-video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}