PhotoShop Transparent Background

ps.css

/* PhotoShop Transparent Background  */
.ps {
    background-color: #FFF;
    background-image: -webkit-linear-gradient(bottom left, #CCC 25%, transparent 25%, transparent 75%, #CCC 75%, #CCC),
                      -webkit-linear-gradient(bottom left, #CCC 25%, transparent 25%, transparent 75%, #CCC 75%, #CCC);
    background-image: -o-linear-gradient(bottom left, #CCC 25%, transparent 25%, transparent 75%, #CCC 75%, #CCC),
                      -o-linear-gradient(bottom left, #CCC 25%, transparent 25%, transparent 75%, #CCC 75%, #CCC);
    background-image: linear-gradient(to top right, #CCC 25%, transparent 25%, transparent 75%, #CCC 75%, #CCC),
                      linear-gradient(to top right, #CCC 25%, transparent 25%, transparent 75%, #CCC 75%, #CCC);;
    background-position: 0 0, 8px 8px;
    background-size: 16px 16px;
}