.repeat-grid:after {
    top: 0;
    left: 0;
    right: 0;
    z-index: 1;
    content: "";
    background: url(../img/repeated-grid.png) 0 0;
    background-image: url(../img/repeated-grid.png);
    background-position-x: 0px;
    background-position-y: 0px;
    background-size: initial;
    background-repeat: initial;
    background-attachment: initial;
    background-origin: initial;
    background-clip: initial;
    background-color: initial;
    opacity: .3;
}