a {
    color: #3e4095;
}

#mainNav .navbar-brand img {
    height: 3.5rem;
}

.btn-primary {
    color: #fff;
    background-color: #3e4095;
    border-color: #3e4095;
}



#mainNav {
    background-color: #fff;
}

    #mainNav .navbar-nav .nav-item .nav-link {
        color: #3e4095;
    }

    #mainNav .navbar-toggler {
        background-color: #3e4095;
    }