A Pen by kaushalya.

Gradient.markdown

Gradient

Thanks to Felix.

A Pen by kaushalya on CodePen.

License.

script.js

/*
 *
 * Gradient
 * Helped by Felix De Montis(http://codepen.io/dervondenbergen).
 *
 * 2013 by Kaushalya Mandaliya
 * https://twitter.com/kmandalwala
 *
 *
 */

style.css

body {
  background: radial-gradient(
    #ccc 16%, #333 16%,
    #333 22%, #ccc 16%,
    transparent 62%, #999 8%,
    #999 64%, transparent 75%,
    #999 90%, transparent 10%);  
  background-size: 30px 30px;
}