#sky {
    position: absolute;
    top: 0;
}

.sun-flare {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgb(235 242 255 / 80%) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
    z-index: 5;
}

@keyframes flare {

    0%,
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.5);
    }
}