body.site > .body > .container-fluid,
body.site > .footer > .container-fluid {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

body.site #content > .item-page {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}