.nav-button {
    border-radius: 20px;
    background-color: transparent;
    color: white;
    border: 2px solid white;
    padding: 4px 7px 4px 7px;
    margin: 0px 5px 0px 5px;
    transition-duration: 0.4s;
    cursor: pointer;
}

.nav-button:hover {
    background-color: white;
    color: black;
}

footer {
    position: relative;
    bottom: 0px;
    width: 100%;
    background-color: #212529;
    color: white;
    padding: 1em 5em 1em 5em;
}