body {
    background: linear-gradient(to bottom, #1b2947, #55436a, #c0648b, #f1c4a8);
    height: 100vh;
    overflow: hidden;
}
#estrelas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.estrela {
    width: 5px;
    height: 5px;
    background-color: #f7f7b6;
    border-radius: 50%;
    position: absolute;
    animation: movimento 120s linear infinite;
}
@keyframes movimento {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(50vw);
        width: 2px;
        height: 2px;
    }
    100% {
        transform: translateX(100vw);
    }
}