#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background: #04091a;
}

.star {
    position: absolute;
    border-radius: 50%;
    background: white;
}

@keyframes twinkle {
    0% {
        opacity: 0.15;
        transform: scale(0.4);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

body > .container {
    position: relative;
    z-index: 1;
}