.navbar-brand img {
    max-height: 150px;
}

.hero-div {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 4rem;
    font-style: italic;
    border: 1px solid #dddddd;
    margin: 2rem 0;
}

.hero-div:hover {
    background-color: #eeeeee;
    color: black;
}

.hero-div .material-icons {
    font-size: 2rem;
}

@media only screen and (min-width: 768px) {
    .navbar-nav .nav-item {
        font-size: 1.5rem;
    }
}