.video-detail {
  padding: 30px 0;
}

.video-detail .title {
  margin-bottom: 15px;
}

.video-detail .info p {
  line-height: 1.8;
}

.video-detail .info iframe {
  display: block;
  width: 100%;
  height: 300px;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .video-detail .info iframe {
    height: 350px;
  }
}

@media (min-width: 992px) {
  .video-detail .info iframe {
    height: 400px;
  }
}

@media (min-width: 1200px) {
  .video-detail {
    padding-top: 48px;
    padding-bottom: 60px;
  }

  .video-detail .title {
    margin-bottom: 30px;
  }

  .video-detail .info iframe {
    height: 475px;
    margin-bottom: 35px;
  }
}

@media (min-width: 1440px) {
  .video-detail .info iframe {
    height: 575px;
    margin-bottom: 45px;
  }
}

@media (min-width: 1640px) {
  .video-detail .title {
    margin-bottom: 50px;
  }

  .video-detail .info iframe {
    height: 675px;
    margin-bottom: 55px;
  }
}