Checked Alpha Background

checkered-alpha-background.css

.chacked-alpha-background {
    background-image:
            -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, #ccc), color-stop(.25, transparent)),
            -webkit-gradient(linear, 0 0, 100% 100%, color-stop(.25, #ccc), color-stop(.25, transparent)),
            -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.75, transparent), color-stop(.75, #ccc)),
            -webkit-gradient(linear, 0 0, 100% 100%, color-stop(.75, transparent), color-stop(.75, #ccc));
    background-size: 30px 30px;
    background-position: 0 0, 15px 0, 15px -15px, 0px 15px;
    background-color: white;
}