body {
    background-color: #AFD8D8 !important;
    padding: 20px;
}

#navbarNav {
    border-top: 4px #FF0000 solid;
    border-bottom: 4px #FF0000 solid;
}

.navbar-nav {
    width: 100%;
}

.nav-item {
    width: 20%;
    font-weight: bolder;
    text-transform: uppercase;
}
@media only screen and (max-width:640px) {
    .nav-item {
        width: 100%
    }
}
.nav-link.active {
    cursor: default;
}
.nav-link.active:hover {
    color: var(--bs-navbar-active-color) !important;
}
.nav-link.active:focus {
    color: var(--bs-navbar-active-color) !important;
}

.nav-link:hover {
    color: red !important;
}
.nav-link:focus {
    color: red !important;
}

.header-image {
    height: 200px;
    max-width: 100%;
}

.carousel {
    display: inline-block;
}

.sample-image {
    width: 400px;
    max-width: 100%;
}

.sample-wolfram {
    width: 100%;
}

#footer {
    padding: 20px 0;
    border-top: 1px #000 dotted;
}

.skinny {
    max-width: 600px !important;
}