vimeo-player

<script src="https://player.vimeo.com/api/player.js"></script>


.video-overlay {
  background-color: rgba(0, 0, 0, 0.904);
  position: fixed;
  height: 100%;
  z-index: 999;
  width: 100%;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  display: none;
}

.video-overlay-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}

.video-overlay-btn {
  font-size: 22px;
  color: white;
  display: inline-block;
  padding: 10px;
  cursor: pointer;
  &:hover {
    opacity: 0.8;
  }
}

   var iframe = document.getElementById('vimeo-embed')
    var player = new Vimeo.Player(iframe);
  
    //player.setVolume(0)
    $('.video-btn-open').on('click', function() {
        $('.video-overlay').css("display", "flex").hide().fadeIn(function() {
          $('#vimeo-embed').click();
          setTimeout(function() {
            player.play();
          }, 50)
        })
    })
  
    $('.video-btn-close').on('click', function() {
        $('.video-overlay').fadeOut()
        player.pause();
    })
  
  
  <div class="btn btn-primary video-btn-open">Voir la vidéo</div>

<div class="video-overlay">
  <div class="video-overlay-menu">
    <div class="container-fluid">
      <div class="row">
        <div class="col-12 text-right">
          <span class="video-overlay-btn video-btn-close"><i class="fas fa-times text-white"></i></span>
        </div>
      </div>
    </div>
  </div>
  <div class="container-fluid">
    <div class="row">
      <div class="col">
        <div class="embed-responsive embed-responsive-16by9" style="max-height: 85vh !important;">
          <iframe id="vimeo-embed" src="https://player.vimeo.com/video/79889354?api=1" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
        </div>
      </div>
    </div>
  </div>
</div>