:root {
    --vmin: vmin;
    --vmax: vmax;
    --vw: vw;
    --vh: vh;
}

body, html {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#holder {
    min-width: 100vw;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

#content > main {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

#chojja {
    position: absolute;
    bottom: -20vh;
    height: 75vh;
    left: 50%;
    transform: translate(-50%, 200vh);
    filter: brightness(0) blur(4px);
    animation: chojja 45.0s forwards;
}

@keyframes chojja {
    0% {
        transform: translate(-50%, 200vh);
        filter: brightness(0) blur(4px);
    }
    50% {
        transform: translate(-50%, 200vh);
    }
    75% {
        filter: brightness(0) blur(4px);
    }
    100% {
        transform: translate(-50%, 0);
        filter: brightness(1) blur(0px);
    }
}