test_components.html

<form class="md-form">
    <div class="file-field">
      <div class="z-depth-1-half mb-4">
        <img src="https://mdbootstrap.com/img/Photos/Others/placeholder.jpg" class="img-fluid"
          alt="example placeholder">
      </div>
      <div class="d-flex justify-content-center">
        <div class="btn btn-mdb-color btn-rounded float-left">
          <span>Choose file</span>
          <input type="file">
        </div>
      </div>
    </div>
  </form>