#music-toggle {
    position: absolute;
    top: 100px;
    right: 50px;
    z-index: 900;
    width: 30px;
    height: 30px;
    padding: 0;
    border: 0;
    cursor: pointer;
    background: var(--note) no-repeat center / 30px 30px;
}

.credits {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    cursor: pointer;
}