#game{
    width: 100vw;
    height: 75vw;
    max-height: 100vh;
    max-width: 133.33vh;
    margin: auto;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

#myCanvas{
    width: 90%;
    height: 90%;
    background-color: #c9b1ff;

    margin: auto;
    position: absolute;
    top: 0; 
    left: 0; 
    bottom: 0; 
    right: 0;

    border: 1px solid;
    border-radius: 10px;
    border-color: #c3c3c3;
}