• HTML
• CSS
• JS

HTML

<h1>Magnetic Buttons On Mousemove</h1>

<a href="#" class="btn color-01">
    <span>Hover Me</span>
</a>
<a href="#" class="btn color-02">
    <span>I am Magnetic</span>
</a>
<a href="#" class="btn color-03">
    <span>Read More</span>
</a>

CSS

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap');

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body{
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.btn{
  position: relative;
  text-align: center;
  cursor: pointer;
}

.btn span{
  position: relative;
  display: inline-block;
  color: #fff;
  font-size: 1.2em;
  font-weight: 500;
  text-decoration: none;
  width: 240px;
  padding: 18px 0;
  margin: 35px;
  border-radius: 8px;
  box-shadow: 0 5px 25px rgba(1 1 1 / 15%);
  transition: transform 0.15s linear;
}

.color-01 span{
  background: linear-gradient(90deg, #EC5C1A, #F6CE61);
}

.color-02 span{
  background: linear-gradient(90deg, #0165CD, #55E6FB);
}

.color-03 span{
  background: linear-gradient(90deg, #259844, #6FF192);
}

h1{
  color: #222;
  text-align: center;
  margin-bottom: 50px;
  font-size: 2.8em;
  font-weight: 800;
}

JS

const btns = document.querySelectorAll(".btn");

btns.forEach((btn) => {
    btn.addEventListener("mousemove",function(e){
        const position = btn.getBoundingClientRect();
        const x = e.pageX - position.left - position.width / 2;
        const y = e.pageY - position.top - position.height / 2;
        
        btn.children[0].style.transform = "translate(" + x * 0.3 + "px, " + y * 0.5 + "px)";
    });
});

btns.forEach((btn) => {
    btn.addEventListener("mouseout",function(e){
        btn.children[0].style.transform = "translate(0px,0px)";
    }) 
});

/*
 All credits to : https://www.youtube.com/watch?v=f7PgUPNKMkI
*/