Add Custom CodePen to Squarespace 7.1 - pls help!

Site URL: http://www.hmnize-ww.com

Hello hello, you all are amazing at helping & answering all the questions!!

I have tried 2-3 times but not getting it right. I'm a newborn at CSS, HTML code, and code injection (basically, i dont know anything, I am just copy pasting!).

Could you PLEASSSEE help me with this? https://codepen.io/creativeocean/full/mdROBXx 

All the codes shared earlier goes into Code Injection (Unless CSS/Code Block is mentioned), correct?

Also, is there a rule of thumb or formula when using code's from Code Pen for Squarespace 7.1? Don't want to trouble y'all again and again! 

Thank youu!

Add a Code Block >> paste this code

<div class="stage">
  
  
<div class="container">
  <div class="ring">
    <div class="img"></div>
    <div class="img"></div>
    <div class="img"></div>
    <div class="img"></div>
    <div class="img"></div>
    <div class="img"></div>
    <div class="img"></div>
    <div class="img"></div>
    <div class="img"></div>
    <div class="img"></div>
  </div>
</div>

</div>
<style>
  html, body, .stage, .ring, .img {
  width:100%;
  height: 100%;
  transform-style: preserve-3d;
  user-select:none;
}

html, body, .stage {
  overflow:hidden;
  background:#000;
  
}

div, svg {
  position: absolute;
}

.container {
  perspective: 2000px;
  width: 300px;
  height: 400px;  
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
}
</style>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.6.1/gsap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
<script>
  let xPos = 0;

gsap.timeline()
    .set('.ring', { rotationY:180, cursor:'grab' }) //set initial rotationY so the parallax jump happens off screen
    .set('.img',  { // apply transform rotations to each image
      rotateY: (i)=> i*-36,
      transformOrigin: '50% 50% 500px',
      z: -500,
      backgroundImage:(i)=>'url(https://picsum.photos/id/'+(i+32)+'/600/400/)',
      backgroundPosition:(i)=>getBgPos(i),
      backfaceVisibility:'hidden'
    })    
    .from('.img', {
      duration:1.5,
      y:200,
      opacity:0,
      stagger:0.1,
      ease:'expo'
    })
    .add(()=>{
      $('.img').on('mouseenter', (e)=>{
        let current = e.currentTarget;
        gsap.to('.img', {opacity:(i,t)=>(t==current)? 1:0.5, ease:'power3'})
      })
      $('.img').on('mouseleave', (e)=>{
        gsap.to('.img', {opacity:1, ease:'power2.inOut'})
      })
    }, '-=0.5')

$(window).on('mousedown touchstart', dragStart);
$(window).on('mouseup touchend', dragEnd);
      

function dragStart(e){ 
  if (e.touches) e.clientX = e.touches[0].clientX;
  xPos = Math.round(e.clientX);
  gsap.set('.ring', {cursor:'grabbing'})
  $(window).on('mousemove touchmove', drag);
}


function drag(e){
  if (e.touches) e.clientX = e.touches[0].clientX;    

  gsap.to('.ring', {
    rotationY: '-=' +( (Math.round(e.clientX)-xPos)%360 ),
    onUpdate:()=>{ gsap.set('.img', { backgroundPosition:(i)=>getBgPos(i) }) }
  });
  
  xPos = Math.round(e.clientX);
}


function dragEnd(e){
  $(window).off('mousemove touchmove', drag);
  gsap.set('.ring', {cursor:'grab'});
}


function getBgPos(i){ //returns the background-position string to create parallax movement in each image
  return ( 100-gsap.utils.wrap(0,360,gsap.getProperty('.ring', 'rotationY')-180-i*36)/360*500 )+'px 0px';
}
</script>