Stack Overflow new navbar tweak - greyish

so-greyish.css

@-moz-document domain("stackoverflow.com") {
    /* Uncomment if removing sticky header */
    /*body.newheader {
        padding-top: 0;
    }*/

    .so-header {
        background-color: #f3f3f3;
        /* Uncomment to remove sticky header */
        /*position: relative;*/
    }
    
    .so-header .indicator-badge {
        border-color: rgba(255,255,255,.75);
    }

    .so-header .navigation .-link,
    .so-header .secondary-nav .-item .-link,
    .so-header .my-profile .-rep,
    .topbar-dialog .header h3,
    .topbar-dialog .header a,
    .topbar-dialog .header a:visited {
        color: #666;
        transition: background .3s, color .3s;
    }

    .so-header .navigation .-link:hover,
    .so-header .navigation .-link:focus,
    .so-header .my-profile:hover,
    .so-header .secondary-nav .-item .-link:hover,
    .so-header .secondary-nav .-item .-link:focus,
    .so-header .navigation .-item._current .-link {
        background-color: #dedede;
        color: #555;
    }

    .topbar-dialog .header {
        background-color: #dcdcdc;
    }

    .topbar-dialog .header a:hover {
        color: #fff;
    }
}

@-moz-document domain("meta.stackoverflow.com") {
    .so-header {
        background-color: #f3f3f3;
    }
}