.nav {
    text-align: center;
    display: flex;
    flex-direction: column;
    padding-bottom: 20px;
}

.nav-btns {
    margin-top: 10px;
}

.nav-btns a {
    font-size: 25px;
    margin-right: 25px;
}

.banner img {
    width: 100%;
    height: 150px;
    padding: 0px;
}