CSS3 green square pattern

You can download the pattern or use the CSS3 code below (you can copy the text).
body {
/* CSS3 pattern provided by JonesPatterns.com */
background-image:
linear-gradient(90deg, white 50%, #859020 47%, transparent 50%),
linear-gradient(180deg, white 50%, transparent 53%);
background-color: #859020;
background-size: 60px 60px;
}