html {
    height: 100%;
    width: 100%;
    margin: 0;

    background-color: black;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;

    min-height: 100%;
}

#container {
    display: flex;
    justify-content: center;
    align-items: center;
}
    
#caption {
    color: white;
    text-align: center;
    opacity: 0;
}