header {
    background: #ffffff;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
    z-index: 999;
}

.brand-logo .logo-white {
    display: none;
}

.brand-logo .logo-default {
    display: block;
}

.header-nav nav>.menu li a {
    color: black;
}