Image comparison K

<div class="img-comp-container">
  <div class="img-comp-img">
    <img src="https://cdn.shopify.com/s/files/1/0285/5482/1691/files/day1_6cc0e382-3999-4537-bc9d-a0f48ac4ff1e.png?v=1656772827" width="320" height="555">
  </div>
  <div class="img-comp-img img-comp-overlay-2">
    <img src="https://cdn.shopify.com/s/files/1/0285/5482/1691/files/day2_png.jpg?v=1656772827" width="320" height="555">
  </div>
</div>

<style>
.img-comp-container {
  position: relative;
  left: 8rem;
  height: 485px; /*should be the same height as the images*/
}

   @media (max-width: 767px){
  .img-comp-container{
    left: 0 !important;
  }
  }
.img-comp-img {
  position: absolute;
  width: auto;
  height: 100%;
  overflow:hidden;
}

.img-comp-img img {
  display:block;
  vertical-align:middle;
  max-width: unset !important;
  max-height: 100%;
}

.img-comp-slider-1, .img-comp-slider-2, .img-comp-slider-3 {
  position: absolute;
  z-index:5;
  cursor: ew-resize;
  /*set the appearance of the slider:*/
  width: 45px;
  height: 45px;
  background-image: url("https://cdn.shopify.com/s/files/1/0285/5482/1691/files/image_25986b4c-cec5-4545-9532-96c9adb4220b.png") !important;
  background-size: 65% 65%;
  background-color: #000;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.7;
  border-radius: 50%;
}
</style>

<script>
  function initComparisons(overlayClass, sliderClass) {
  var x, i;
  /* Find all elements with an "overlay" class: */
  x = document.getElementsByClassName(overlayClass);
  for (i = 0; i < x.length; i++) {
    /* Once for each "overlay" element:
    pass the "overlay" element as a parameter when executing the compareImages function: */
    compareImages(x[i]);
  }
  function compareImages(img) {
    var slider, img, clicked = 0, w, h;
    /* Get the width and height of the img element */
    w = img.offsetWidth;
    h = img.offsetHeight;
    /* Set the width of the img element to 50%: */
    img.style.width = (w / 2) + "px";
    /* Create slider: */
    slider = document.createElement("DIV");
    slider.setAttribute("class", sliderClass);
    /* Insert slider */
    img.parentElement.insertBefore(slider, img);
    /* Position the slider in the middle: */
    slider.style.top = (h / 2) - (slider.offsetHeight / 2) + "px";
    slider.style.left = (w / 2) - (slider.offsetWidth / 2) + "px";
    /* Execute a function when the mouse button is pressed: */
    slider.addEventListener("mousedown", slideReady);
    /* And another function when the mouse button is released: */
    window.addEventListener("mouseup", slideFinish);
    /* Or touched (for touch screens: */
    slider.addEventListener("touchstart", slideReady);
     /* And released (for touch screens: */
    window.addEventListener("touchend", slideFinish);
    function slideReady(e) {
      /* Prevent any other actions that may occur when moving over the image: */
      e.preventDefault();
      /* The slider is now clicked and ready to move: */
      clicked = 1;
      /* Execute a function when the slider is moved: */
      window.addEventListener("mousemove", slideMove);
      window.addEventListener("touchmove", slideMove);
    }
    function slideFinish() {
      /* The slider is no longer clicked: */
      clicked = 0;
    }
    function slideMove(e) {
      var pos;
      /* If the slider is no longer clicked, exit this function: */
      if (clicked == 0) return false;
      /* Get the cursor's x position: */
      pos = getCursorPos(e)
      /* Prevent the slider from being positioned outside the image: */
      if (pos < 0) pos = 0;
      if (pos > w) pos = w;
      /* Execute a function that will resize the overlay image according to the cursor: */
      slide(pos);
    }
    function getCursorPos(e) {
      var a, x = 0;
      e = (e.changedTouches) ? e.changedTouches[0] : e;
      /* Get the x positions of the image: */
      a = img.getBoundingClientRect();
      /* Calculate the cursor's x coordinate, relative to the image: */
      x = e.pageX - a.left;
      /* Consider any page scrolling: */
      x = x - window.pageXOffset;
      return x;
    }
    function slide(x) {
      /* Resize the image: */
      img.style.width = x + "px";
      /* Position the slider: */
      slider.style.left = img.offsetWidth - (slider.offsetWidth / 2) + "px";
    }
  }
}

initComparisons('img-comp-overlay-2', 'img-comp-slider-2');
</script>