leonardfischer

/* See https://stackoverflow.com/questions/14068103/disable-antialising-when-scaling-images */
img.pixelperfect,
.pixelperfect img {
	image-rendering: optimizeSpeed;             /* STOP SMOOTHING, GIVE ME SPEED  */
	image-rendering: -moz-crisp-edges;          /* Firefox                        */
	image-rendering: -o-crisp-edges;            /* Opera                          */
	image-rendering: -webkit-optimize-contrast; /* Chrome (and eventually Safari) */
	image-rendering: pixelated;                 /* Chrome */
	image-rendering: optimize-contrast;         /* CSS3 Proposed                  */
	-ms-interpolation-mode: nearest-neighbor;   /* IE8+                           */

leonardfischer

<svg>
  <defs>
    <pattern id="inner-grid" width="10" height="10" patternUnits="userSpaceOnUse">
      <rect width="100%" height="100%" fill="none" stroke="#ccc" stroke-width="0.5" />
    </pattern>
    <pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse">
      <rect width="100%" height="100%" fill="url(#inner-grid)" stroke="#ccc" stroke-width="1.5" />
    </pattern>
  </defs>
  <rect x="0" y="0" width="100%" height="100%" fill="url(#grid)"></rect>