footer {
    background-color: #333;
    padding: 3rem 5%;
    color: #999;
    text-align: center;
}

footer h3 {
    font-size: 1.5rem;
    text-align: center;
    color: inherit;
    font-weight: lighter;
    padding-bottom: 1rem;
    border-bottom: 1px solid #999;
}

footer ul {
    margin: 2rem 0;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
}

footer li {
    display: block;
}

footer a {
    font-size: 1.2rem;
    color: inherit;
    transition: color 0.3s;
    margin: 0 .5rem;
}

footer a:hover {
    color: white;
}