body 
{
    background-color: antiquewhite;
}

button.blank 
{
    background-color: brown;
}

button.black
{
    background-color: black;
}

button.white
{
    background-color: whitesmoke;
}

#ButtonContainer
{
    display: grid;
    grid-template-columns: auto auto auto auto auto auto auto auto auto auto auto auto auto auto auto auto auto auto auto;
    grid-auto-rows: 100px;
    grid-auto-columns: 100px;
}

h1.hidden
{
    display: none;
}

h1
{
    text-align: center;
    color: red;
    justify-content: center;
    z-index: 2;
    top: 50%;
}

div.blackTurn
{
    background-color: black;
    z-index: 1;
    position: sticky;
    top: 0;
    display: flex;
}

div.whiteTurn
{
    background-color: whitesmoke;
    z-index: 1;
    position: sticky;
    top: 0;
    display: flex;
}