#footer {
    text-align: center;
    color: #fff;
    background-color: #333;
    margin-top: 30px;
    width: 100%;
    margin-bottom: 0;
    padding: 20px 0;
}

#footer .contenedor {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

#footer article {
    margin-top: 20px;
    text-align: center;
    justify-content: center;
}

/*#footer .contenedor .ar2 {
    width: 100%;
}*/

#footer h2 {
    text-decoration: underline;
}

#footer a {
    margin-top: 15px;
    font-size: 20px;
    display: block;
}

#footer .icon-facebook {
    font-size: 40px;
    text-decoration: none;
    color: #fff;
}

@media (min-width: 1024px){
    #footer .contenedor .ar2 {
        width: 40%;
    }
    
    #footer .contenedor {
        justify-content: space-between;
    }
}