#universe {
    display: block;
    position: fixed;
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    left: 0;
    top: 0;
    margin-left: -40px;
    margin-buttom: -20px
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

[data-theme='light'] #universe{
    display: none;
}