html,
body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: black;
}

main {
    width: 100%;
    height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
}

img {
    filter: invert(100%);
    max-width: 90vw;
    max-height: 10vh;
    width: auto;
    height: auto;
    display: block;
}