#universe {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

body {
    background: #08090a;
    overflow-x: hidden;
}

.star0 { height: 1px; width: 1px; opacity: 0.4; position: absolute; background: #fff; border-radius: 50%; }
.star1 { height: 1.5px; width: 1.5px; opacity: 0.5; position: absolute; background: #fff; border-radius: 50%; }
.star2 { height: 2px; width: 2px; opacity: 0.6; position: absolute; background: #fff; border-radius: 50%; }
.star3 { height: 2.5px; width: 2.5px; opacity: 0.8; position: absolute; background: #fff; border-radius: 50%; }