anchor.diff:        if (clickNumber < 1) {
           document.getElementById('btn-back').style.display = 'none';
         }
  -      if (clickNumber < 9) {
  +      if (clickNumber < slidesNum) {
           document.getElementById('btn-next').style.display = 'unset';
         }
   
         document.getElementsByClassName('container-slider')[0].style.transform = "translateX("+size_+"px)";
         return false;
       });
  +
  +    document.getElementById('car-img').addEventListener('click', function(){
  +      document.getElementById('modal-car').style.display = 'flex';
  +      return false;
  +    });
  +
  +    document.getElementById('art-img').addEventListener('click', function(){
  +      document.getElementById('modal-art').style.display = 'flex';
  +      return false;
  +    });
  +
  +    document.getElementsByClassName('btn-back-gallery')[0].addEventListener('click', function(){
  +      console.log('clicked!');
  +      document.getElementById('modal-car').style.display = 'none';
  +      document.getElementById('modal-art').style.display = 'none';
  +      return false;
  +    });
  +
  +    document.getElementsByClassName('btn-back-gallery')[1].addEventListener('click', function(){
  +      console.log('clicked!');
  +      document.getElementById('modal-car').style.display = 'none';
  +      document.getElementById('modal-art').style.display = 'none';
  +      return false;
  +    })
   
       function debounce(func, wait, immediate) {
         var timeout;
  
positive.code:     },1000);
    });
  })();
  
  </script>
  <script type="text/javascript">
    (function(){
  
negative.code:       opacity: 0;
        background-color: transparent;
        transition: all 1s ease-out;
        margin-top: 10vh;
      }
  
      #modal-form[data-showup=true]{
  