body,html{
    margin:0;
    padding:0;
    width:100%;
    height:100%;
}

#game{
    box-sizing: border-box;
    overflow: hidden;
    border:1px solid black ;
    background: white;
    width:100%;
    height:100%;
    size:10pt;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}