:root { 
    --background: #261b1d;
}
html, body {
    height: 100%;
    width: 100%;
    margin: 0px;
    background: var(--background);
}
#container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
#logo {
    width: 30%;
    max-width: 250px;
}