@import url('https://fonts.googleapis.com/css2?family=VT323&display=swap');

body{
    background-color: #ccc;
    font-family: 'VT323', monospace;
}

canvas{
    background-color: aqua;
    position:absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}