html,body{
    margin: 0;
    padding: 0;
    font-family: Arial;
    font-size: 12px;
    color: white;
    background: #004165;
    height: 100%;
    width: 100%;
}

#container{
    width: 100%;
    height: auto;
    max-width: 640px;
    margin: 0 auto;
}

canvas{
    object-fit: contain;
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto;
}

/**Desktop Query*/
@media only screen and (min-width: 768px) {
    #container{  
        width: 400px;
        height: 600px;
    }
}