style.css

/* ===( CODE AASHU )=== */
@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;
}


.container{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
    background-color: #ffffff;
    flex-wrap: wrap;
    flex-direction: column;
}

.container h1{
    font-size: 40px;
    line-height: 5;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 300;
}

.social{
    display: flex;
    gap: 30px;
}

.social a{
    position: relative;
    width: 80px;
    height: 80px;
    text-align: center;
    text-decoration: none;
    color: #000;
    background: linear-gradient(145deg, #ffffff, #d9e0e6);
    box-shadow: inset 6px 6px 14px #8e9396,
            inset -6px -6px 14px #ffffff;
    border-radius: 25px;
    overflow: hidden;
}

.social a .fa-brands{
    position: relative;
    font-size: 30px;
    line-height: 80px;
    z-index: 2;
    transition: color 0.5s;
    
}

.social a::after{
    content: '';
    width: 100%;
    height: 100%;
    top: -90px;
    left: 0;
    background: linear-gradient(-45deg, #12c2e9, #c471ed, #f64f59);
    position: absolute;
    border-radius: 25px;
    transition: 0.5s ease;
}

.social a:hover::after{
    top: 0;
}


.social a:hover .fa-brands{
    color: #fff;
    text-shadow:  1px 2px 14px #8e93969c,
             -1px -2px 14px #ffffffb7;
}