* {
    padding: 0;
    margin: 0;
}
html, body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
canvas {
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 1024px;
    height: 1024px;
}
@media all and (max-width: 2048px) {
    canvas {
        transform: translate(-50%, -50%) scale(1.0);
    }
}
@media all and (max-width: 1024px) {
    canvas {
        transform: translate(-50%, -50%) scale(0.8);
    }
}
@media all and (max-width: 768px) {
    canvas {
        transform: translate(-50%, -50%) scale(0.7);
    }
}
@media all and (max-width: 512px) {
    canvas {
        transform: translate(-50%, -50%) scale(0.5);
    }
}
@media all and (max-width: 256px) {
    canvas {
        transform: translate(-50%, -50%) scale(0.3);
    }
}