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CSS

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HTML 

              
                <div class="container">
<div class="header-us">
<div class="mbrace">Happy Tweening</div>
<div class="nav">
<a href="#">Home</a>
<a href="#">Home</a>
<a href="#">Home</a>
<a href="#">Home</a>
<a href="#">Home</a>
</div>
</div>
<div class="imgOwl" id="rome">
<div class="extra">
<div class="inner"></div>
</div>
<svg fill="none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 480 40">
<path d="M0 40C137.185 40 125.676 0 240 0s103.999 40 240 40H0Z" fill="#fff"></path>
</svg>

</div>
</div>
<section>
<h1>Extra space just for demo, remove this</h1>
<p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum</p>

<p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum</p>
<p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum</p>

<p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum</p>

<p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum</p>
</section>
!

CSS 

              
                .header-us
{
   background:blue;
   height:80px;
   position:relative;
   width:1320px;
   top:25px;
   left:15px;
   z-index:9999999999;
   border-top-right-radius:24px;
   border-top-left-radius:24px;
}

.mbrace
{
   line-height:80px;
   position: relative; 
   left:20px;
   color:#FFF;
}

.nav{
display:flex;
justify-content:center;
align-items:center;
position:absolute;
top:30px;
left:200px;
}

.nav a
{
   margin-left:100px;
   color:#fff;
   text-decoration: none;
}

svg {
  position: absolute;
  top: 460px;
  z-index: 9999999;
  transform: scale(0.6);
  margin-bottom: -1px;
}

.imgOwl {
  width: 1320px;
  margin: 0px auto;
  height: 540px;
  background-attachment: fixed;
  clip-path: inset(0);
  position:relative;
  top:1.5%;
}




.imgOwl .extra {
  width: 100%;
  height: 100%;
}

.imgOwl .inner {
  width: 100%;
  height: 100%;
  background-image: url("https://picsum.photos/1800/1200");
  background-position: auto 100%;
  background-repeat: no-repeat;
  object-fit: cover;
  background-size: cover;
  border-bottom-left-radius: 24px;
  border-bottom-right-radius: 24px;
}
!

JS 

              
                const tl = gsap.timeline({ // Add timeline so we can add multiple tweens to the ScrollTrigger setup 
  scrollTrigger: {
    trigger: ".imgOwl",
    toggleActions: "restart pause reverse pause",
     pin: '.container',
    // pinSpacing:false,
    force3D: true,
    scrub: 1,
    markers: true,
    start: "clamp(top 12%)",
    end: "bottom top",
  }
});
tl.to(".imgOwl .inner", {
  backgroundPosition: "0px -550px",
  ease: "power1.out",
});

tl.to(
  ".imgOwl .extra",
  {
	
    backgroundPosition: "0px 5px",
    ease: "power1.out"
  },
  
  "<" // Start at the same time as previes tween.
);


tl.from(
  ".container", // Animate two elments at the same time
  {
     
  },
  "<" // start at the same time as previous tween
);
!
999px

Console