a {
    position: relative;
    display: inline-block;
    padding: 1.2em 2em;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    user-select: none;
    color: white;
}

a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    border-radius: 4px;
    transition: box-shadow .5s ease, transform .2s ease;
    will-change: transform;
    box-shadow: 0 2px 5px rgba(0, 0, 0, .2);
    transform: translateY(var(--ty, 0)) rotateX(var(--rx, 0)) rotateY(var(--ry, 0)) translateZ(var(--tz, -12px));
}

a:hover::before {
    box-shadow: 0 5px 15px rgba(0, 0, 0, .3);
}

a::after {
    position: relative;
    display: inline-block;
    content: attr(data-title);
    transition: transform .2s ease;
    font-weight: bold;
    letter-spacing: .01em;
    will-change: transform;
    transform: translateY(var(--ty, 0)) rotateX(var(--rx, 0)) rotateY(var(--ry, 0));
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    transform-style: preserve-3d;
    transform: perspective(800px);
    gap: 25px;
    font-family: 'Potta One', cursive;
}