Edit in JSFiddle

body {
background-color: #f0f2f3;
background: -webkit-radial-gradient(rgba(0, 0, 0, .1)1px, transparent 1px);
background: radial-gradient(rgba(0, 0, 0, 0.15)1px, rgba(216, 217, 219, 0.28) 1px);
-webkit-background-size: 8px 8px;
background-size: 8px 8px;
}