<div id="carouselExampleSlidesOnly" class="carousel slide" data-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img class="d-block w-100" src="image.gif" alt="">
    </div>
    <div class="carousel-item">
      <img class="d-block w-100" src="image1.jpg" alt="">
    </div>
    <div class="carousel-item">
      <img class="d-block w-100" src="image2.png" alt="">
    </div>
  </div>
</div>