.maincontent {
    position: relative;
    max-width: 100%;
    background-image: linear-gradient(rgba(255, 255, 255, .7) 0%,rgba(255, 255, 255, .7) 100%), url(/imageserver/Textures/xBG3.jpg.pagespeed.ic.emW7H9VBWR.webp);
    background-attachment: fixed;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}