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HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>
    Webleb
  </title>
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <link rel="stylesheet" href="/css/styles.css" />
</head>
<body style="display: flex; justify-content:center ; align-items: center;height: 100vh;overflow: hidden;">
  <main>
	
    <button style="border-bottom-left-radius: 10px;border-top-left-radius: 10px;">
      <ion-icon name="logo-facebook"></ion-icon>
    </button>
    <button>
      <ion-icon name="logo-twitter"></ion-icon>
    </button>
    <button>
      <ion-icon name="logo-instagram"></ion-icon>
    </button>
    <button style="border-bottom-right-radius: 10px;border-top-right-radius: 10px;">
      <ion-icon name="logo-youtube"></ion-icon>
    </button>
  
  </main>

CSS

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: #121212;
    cursor: none;
}
.cursor {
    width: var(--size);
    height: var(--size);
    border-radius: 50%;
    position: absolute;
    left: 0;
    top: 0;
    pointer-events: none;
    z-index: 100;
}
.cursor--large {
    --size: 40px;
    border: 1px solid #423cff;
}
.cursor--small {
    --size: 10px;
    background: #423cff;
    transform: translate(-50%, -50%);
}
main {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
main button {
    --size: 60px;
    border: none;
    min-width: var(--size);
    min-height: var(--size);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    transition: background 200ms ease, color 200ms ease;
    cursor: none;
}
main:hover button {
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.04);
}
main:hover button:hover {
    color: #fff;
}

JS

console.clear();

const { gsap } = window;

const cursorOuter = document.querySelector(".cursor--large");
const cursorInner = document.querySelector(".cursor--small");
let isStuck = false;
let mouse = {
	x: -100,
	y: -100,
};

// Just in case you need to scroll
let scrollHeight = 0;
window.addEventListener('scroll', function(e) {
	scrollHeight = window.scrollY
})

let cursorOuterOriginalState = {
	width: cursorOuter.getBoundingClientRect().width,
	height: cursorOuter.getBoundingClientRect().height,
};
const buttons = document.querySelectorAll("main button");

buttons.forEach((button) => {
	button.addEventListener("pointerenter", handleMouseEnter);
	button.addEventListener("pointerleave", handleMouseLeave);
});

function updateCursorPosition(e) {
	mouse.x = e.pageX;
	mouse.y = e.pageY;
}

function updateCursor() {
	gsap.set(cursorInner, {
		x: mouse.x,
		y: mouse.y,
	});

if (!isStuck) {
		gsap.to(cursorOuter, {
			duration: 0.15,
			x: mouse.x - cursorOuterOriginalState.width/2,
			y: mouse.y - cursorOuterOriginalState.height/2,
		});
	}

requestAnimationFrame(updateCursor);
}

updateCursor();

function handleMouseEnter(e) {
	isStuck = true;
	const targetBox = e.currentTarget.getBoundingClientRect();
	gsap.to(cursorOuter, 0.2, {
		x: targetBox.left, 
		y: targetBox.top + scrollHeight,
		width: targetBox.width,
		height: targetBox.width,
		borderRadius: 0,
		backgroundColor: "rgba(255, 255, 255, 0.1)",
	});
}

function handleMouseLeave(e) {
	isStuck = false;
	gsap.to(cursorOuter, 0.2, {
		width: cursorOuterOriginalState.width,
		height: cursorOuterOriginalState.width,
		borderRadius: "50%",
		backgroundColor: "transparent",
	});
}

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