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

html, body {
    width: 100%;
    height: 100%;
}

body {
    width: 100%;
    height: 100%;
    background-image: url(./assets/images/DieForYou.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.keys {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.key {
    border-radius: 5px;
    text-align: center;
    padding: 0.25rem 0.5rem;
    background-color: #efeded;
    box-shadow: 5px 2px 5px #000;
    transition: all 0.07s;
}

kbd {
    font-size: 1rem;
    font-weight: 900;
}

.sound {
    font-size: 0.5rem;
    font-weight: 600;
}

.playing {
    border: 0.25rem solid rgb(163, 10, 10);
    transform: scale(1.2);
}