.js-video {
  height: 0;
  padding-top: 25px;
  padding-bottom: 67.5%;
  margin-bottom: 10px;
  position: relative;
  overflow: hidden;
}

.js-video.widescreen {
  padding-bottom: 56.34%;
}

.js-video.vimeo {
  padding-top: 0;
}