body {
    margin: 0;
    width: 100%;
    height: 100vh;
    overflow: auto;
    background-color: #000;
    background-image:
        radial-gradient(circle at 10% 10%, rgba(255, 255, 255, 0.05), transparent),
        radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.9), transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(34, 34, 60, 0.8), transparent),
        radial-gradient(circle at 20% 80%, rgba(41, 94, 130, 0.15), transparent),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.6));
}

#background5 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}