.nav-link {
    color: #0b0b0b;
    transition: color 0.5s;
}
.navbar{
    background-color: white;
}
.navbar-light .navbar-nav .nav-link:hover, .navbar-light .navbar-nav .nav-link.active {
    color: #000000 !important;
}

.demo9 {
    color: #000000;
    text-transform:capitalize;
    text-decoration: none;
    letter-spacing: 0.15em;
    /* display: inline-block; */
    /* padding: 15px 20px; */
    position: relative;
}

.demo9:after {
    background: none repeat scroll 0 0 transparent;
    bottom: 0;
    content: "";
    display: block;
    height: 2px;
    left: 87%;
    /* top: 7px; */
    position: absolute;
    background: #000000;
    transition: width 0.3s ease 0s, left 0.3s ease 0s;
    width: 0;
}

.demo9:hover:after {
    width: 100%;
    left: 0;
}

@media(max-width:600px){
    .navbar {
        transition: background-color 0.5s, color 0.5s;
        background: rgb(255, 255, 255) !important;
    }
}

@media (max-width: 991.98px) {
    .navbar-light .navbar-nav .nav-link, .sticky-top.navbar-light .navbar-nav .nav-link {
        padding: 10px 0;
        color: #000000 !important;
    }
}


.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link:focus {
    color: rgba(0, 0, 0, 1);
    /* color: rgb(255 255 255); */
}