body {
    position: relative; 
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.affix {
    top: 0;
    width: 100%;
    z-index: 9999 !important;
}
.navbar {
    margin-bottom: 0px;
    border-radius: inherit;
}

.affix ~ .container-fluid {
    position: relative;
    top: 50px;
}

.navbar div
{
    max-width: 1000px;
}

/* For mobile phones: */

/* For tablets: */
@media only screen and (min-width: 600px) {
}

/* For desktop: */
@media only screen and (min-width: 800px) {
}