html {
    background-color: white;
}

#logo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
}

#logo img {
    position: relative;
    width: 320px;
    height: auto;
    top: 50%;
    left: 50%;
    margin-left: -160px;
    margin-top: -160px;
}