@media (min-width: 1536px) {
  #brief,
  #specs,
  #prestation {
    max-width: 1800px;
    margin-left: auto;
    margin-right: auto;
  }

  .youtube_text,
  .facebook_text {
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
  }

  .youtube_keypoints,
  .facebook_keypoints {
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
  }

  .youtube_channel,
  .facebook_channel {
    max-width: 1800px;
    margin-left: auto;
    margin-right: auto;
  }
}