body {
    background: #000000 !important;
}

#container {
    position: relative;
}

#navbar {
    position: absolute;
    top: 0;
    left: 0;
    border-bottom: 1px solid white;
    width: 100%;
}

.btn {
    border-right: 1px solid white !important;
    border-left: 1px solid white !important;
}