body { 
    background-color: rgb(235, 235, 235);
    margin: 0px;
}

body.winner {
    background-color: rgb(0, 0, 0);
}

#login
{
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}
body.winner #login { display: none; }

#splash img { 
    max-width: 100%; 
    margin: 0 auto;
    display: none;
 }
body.winner #splash img { display: block; }