#wrap {
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 12px
}

#fifteen {
    transform-origin: top left;
    will-change: transform;
    display: inline-block;
    margin-bottom: 250px;
}

#puzzle-container {

    margin-top: 80px;
    margin-bottom: 80px;
}

#winOverlay {
    position: fixed;
    inset: 0;
    display: none;
    place-items: center;
    background: rgba(0, 0, 0, .35);
    z-index: 9999
}

#winCard {
    background: #fff;
    padding: 24px 28px;
    border-radius: 14px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, .25);
    text-align: center
}

#winCard h2 {
    font-size: 20px;
    margin: 0 0 10px
}

#winCard p {
    opacity: .8;
    margin: 0 0 14px
}

#playAgainBtn {
    border-radius: 8px;
    display: inline-grid;
    place-items: center;
    padding: 8px 14px;
    background: #222;
    color: #fff;
    cursor: pointer
}