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HTML 

              
                <div class="wrapper">
	<div class="page">
		<div class="parallax">
			<ul class="parallax__list" id="scene" data-friction-x="0.1">
				<li data-depth="0.10">
					<div class="parallax__bg"></div>
				</li>
				<li data-depth="0.15">
					<div class="parallax__rope parallax__rope_1">
						<div class="parallax__element parallax__element_1"><span></span></div>
						<div class="parallax__element parallax__element_2"><span></span></div>
						<div class="parallax__element parallax__element_3"><span></span></div>
						<img src="https://i.ibb.co/17cP6ss/rope.png" alt="" />
					</div>
				</li>
				<li data-depth="0.30">
					<div class="parallax__rope parallax__rope_2">
						<div class="parallax__element parallax__element_4"><span></span></div>
						<div class="parallax__element parallax__element_5"><span></span></div>
						<img src="https://i.ibb.co/17cP6ss/rope.png" alt="" />
					</div>
				</li>
				<li data-depth="0.60">
					<div class="parallax__rope parallax__rope_3">
						<div class="parallax__element parallax__element_6"><span></span></div>
						<div class="parallax__element parallax__element_7"><span></span></div>
						<div class="parallax__element parallax__element_8"><span></span></div>
						<img src="https://i.ibb.co/17cP6ss/rope.png" alt="" />
					</div>
				</li>
				<li data-depth="0.30">
					<div class="parallax__wave parallax__wave_1"></div>
				</li>
				<li data-depth="0.40">
					<div class="parallax__wave parallax__wave_2"></div>
				</li>
				<li data-depth="0.50">
					<div class="parallax__wave parallax__wave_3"></div>
				</li>
				<li data-depth="0.60">
					<div class="parallax__litehouse"></div>
				</li>
				<li data-depth="0.60">
					<div class="parallax__wave parallax__wave_4"></div>
				</li>
				<li data-depth="0.80">
					<div class="parallax__wave parallax__wave_5"></div>
				</li>
				<li data-depth="0.6">
					<div class="parallax__wave parallax__wave_6"></div>
				</li>
			</ul>
		</div>
		<div class="content">
		</div>
	</div>
</div>
!

CSS 

              
                body,
html {
	background: #000;
}

.wrapper {
	height: 100%;
	overflow: hidden;
	opacity: 0;
	transition: all 1s ease 0s;
}

.wrapper.active {
	opacity: 1;
}

.wrapper.active .parallax__wave {
	opacity: 1;
	transition: all 1s ease 1s;
}

.wrapper.active .parallax__rope {
	opacity: 1;
	transition: all 1s ease 1.8s;
}

.wrapper.active .parallax__litehouse {
	bottom: 130px;
	transition: all 0.8s ease 2.5s;
}

.page,
.parallax:after {
	position: absolute;
	width: 100%;
}

.page {
	height: 100%;
	top: 0;
	left: 0;
	display: flex;
	flex-direction: column;
	min-height: 360px;
}

.page,
.parallax {
	overflow: hidden;
}

.parallax:after {
	content: "";
	bottom: 0;
	height: 100px;
	background: linear-gradient(transparent 0, #000 60%);
}

.parallax__bg,
.parallax__list,
.parallax__list li {
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
}

.parallax__bg {
	width: 110%;
	height: 110%;
	top: -5%;
	left: -5%;
	background: url(https://i.ibb.co/1v11wW5/background.jpg) 50% 100% / cover
		no-repeat;
}

.parallax__rope {
	position: absolute;
	width: 120%;
	left: -10%;
	opacity: 0;
}

.parallax__rope img {
	width: 100%;
}

.parallax__rope_1 {
	top: 5%;
	transform: scale(1);
}

.parallax__rope_2 {
	top: -1.66667%;
	transform: scale(1.05556);
}

.parallax__rope_3 {
	top: -11.66667%;
	transform: scale(1.13889);
}

.parallax__rope_1 .parallax__element {
	transform: scale(0.7);
}

.parallax__rope_2 .parallax__element {
	transform: scale(0.82);
}

.parallax__rope_3 .parallax__element {
	transform: scale(0.98889);
}

.parallax__element {
	position: absolute;
}

.parallax__element span {
	display: inline-block;
	transform-origin: 50% 0;
	width: 280px;
	height: 280px;
	margin-left: -140px;
	animation: swing 2s infinite alternate cubic-bezier(0.455, 0.03, 0.515, 0.955);
}

.parallax__element_1 {
	top: 28%;
	left: 20%;
}

.parallax__element_1 span {
	background: url(https://i.ibb.co/xjP7Fs8/board-cloud-2.png) 0 0/100% no-repeat;
}

.parallax__element_2 {
	top: 46%;
	left: 40%;
}

.parallax__element_2 span {
	background: url(https://i.ibb.co/PTYtfF5/board-cloud-1.png) 0 0/100% no-repeat;
}

.parallax__element_3 {
	top: 24%;
	left: 80%;
}

.parallax__element_3 span {
	background: url(https://i.ibb.co/b75h5RG/board-birds.png) 0 0/100% no-repeat;
}

.parallax__element_4 {
	left: 10%;
	top: 17%;
}

.parallax__element_4 span {
	background: url(https://i.ibb.co/PTYtfF5/board-cloud-1.png) 0 0/100% no-repeat;
}

.parallax__element_5 {
	left: 50%;
	top: 56%;
}

.parallax__element_5 span {
	background: url(https://i.ibb.co/bmNDQdq/board-cloud-4.png) 0 0/100% no-repeat;
}

.parallax__element_6 {
	left: 30%;
	top: 57%;
}

.parallax__element_6 span {
	background: url(https://i.ibb.co/b75h5RG/board-birds.png) 0 0/100% no-repeat;
}

.parallax__element_7 {
	left: 60%;
	top: 65%;
}

.parallax__element_7 span {
	background: url(https://i.ibb.co/xjP7Fs8/board-cloud-2.png) 0 0/100% no-repeat;
}

.parallax__element_8 {
	left: 80%;
	top: 45%;
}

.parallax__element_8 span {
	background: url(https://i.ibb.co/njV8dQW/board-cloud-3.png) 0 0/100% no-repeat;
}

.parallax__wave {
	position: absolute;
	background: url(https://i.ibb.co/jZnqKRK/wave-plain.png) 0 0 / auto 101%
		repeat-x;
	left: -100%;
	width: 300%;
	opacity: 0;
}

.parallax__wave_1 {
	bottom: 180px;
	height: 86px;
	animation: wave 7.11111s 0.1s infinite linear;
	background: url(https://i.ibb.co/Lv4rHNc/wave-paint.png) 0 0 / auto 101%
		repeat-x;
}

.parallax__wave_2 {
	bottom: 144px;
	height: 115px;
	animation: wave 6.66667s 0.1s infinite linear;
}

.parallax__wave_3 {
	bottom: 108px;
	height: 144px;
	animation: wave 6.22222s 0.1s infinite linear;
	background: url(https://i.ibb.co/Lv4rHNc/wave-paint.png) 0 0 / auto 101%
		repeat-x;
}

.parallax__wave_4 {
	bottom: 72px;
	height: 173px;
	animation: wave 5.77778s 0.1s infinite linear;
}

.parallax__wave_5 {
	bottom: -1px;
	height: 230px;
	animation: wave 4.0888s 0.1s infinite linear;
}

.parallax__wave_6 {
	bottom: -72px;
	height: 288px;
	animation: wave 4.5s 0.1s infinite linear;
	background: url(https://i.ibb.co/Lv4rHNc/wave-paint.png) 0 0 / auto 101%
		repeat-x;
}

.parallax__litehouse {
	background: url(https://i.ibb.co/7yY6GhY/lighthouse.png);
	background-size: contain;
	background-repeat: no-repeat;
	background-position: 50% bottom;
	width: 26vmin;
	height: 70vmin;
	position: absolute;
	right: 12%;
	bottom: -100%;
	animation: lighthouse 4s 0.1s infinite alternate
		cubic-bezier(0.455, 0.03, 0.515, 0.955);
}

.content {
	color: #fff;
}
@keyframes swing {
	0% {
		transform: rotateZ(10deg);
	}
	to {
		transform: rotateZ(-10deg);
	}
}

@keyframes wave {
	0% {
		transform: rotateZ(0deg) translate3d(0, 10%, 0) rotateZ(0deg);
	}
	to {
		transform: rotateZ(360deg) translate3d(0, 10%, 0) rotateZ(-360deg);
	}
}

@keyframes lighthouse {
	0% {
		transform: translate3d(15%, 0, 0) rotateZ(10deg);
	}
	to {
		transform: translate3d(-15%, 0, 0) rotateZ(-10deg);
	}
}
!

JS 

              
                window.onload = () => {
	const wrapper = document.getElementsByClassName("wrapper")[0];
	wrapper.classList.add("active");
	const layers = [...document.querySelectorAll("#scene>li")];
	const w = window.innerWidth;
	const h = window.innerHeight;
	layers.forEach((l) => {
		l.classList.add("layer");
		l.style.width = w + "px";
		l.style.height = h + "px";
	});
	const scene = document.getElementById("scene");
	const parallaxInstance = new Parallax(scene);
};
!
999px

Console