Responsive Stats preview card Component

I think you should remove this from mobile preview .card__container {margin-top: 50px;}

Also check this you closed something after footer that is giving accessibility issue

        <div class="attribution">
            Challenge by <a href="https://www.frontendmentor.io?ref=challenge" target="_blank">Frontend Mentor</a>. 
            Coded by <a href="#">Saqlain patel</a>.
          </div>
        </footer>
    </div>
  </body>```