body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
    margin: 0;
}

#gameCanvas {
    border: 1px solid black;
    background-color: white;
    width: 100%;
    height: 90%;
}

#controls {
    width: 100%;
    height: 10%;
    display: flex;
    justify-content: center;
    align-items: center;
}