body {
    background:url(img/piasek.jpg) repeat top center;
}

.container {
    background:#FFFFFF;
}

.nav {
    background:#000000;
    border-radius:5px;
    border-width:0;
    background: -webkit-linear-gradient(#000000, #888888); /* For Safari 5.1 to 6.0 */
    background: -o-linear-gradient(#000000, #888888); /* For Opera 11.1 to 12.0 */
    background: -moz-linear-gradient(#000000, #888888); /* For Firefox 3.6 to 15 */
    background: linear-gradient(#000000, #888888); /* Standard syntax */
}

.nav a {
    color:#FFFFFF!important;
}

.nav a:hover {
    color:#000000!important;
}

.dropdown-menu a {color:#000000!important}