#background,
#stars {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: -9999;
}

#background {
    background: radial-gradient(at bottom right, #22174c 0, #000000);
}

#logo-yo {
    height: 500px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.8;
}