scratch-paint/src/containers/paper-canvas.css

.paper-canvas {
    width: 480px;
    height: 360px;
    margin: auto;  
    position: relative;
    background-color: #fff;
	/* Turn off anti-aliasing for the drawing canvas. Each time it's updated it switches
	back and forth from aliased to unaliased and that looks bad */
	image-rendering: pixelated;
}