footer {
    width: 100%;
    text-align: center;
    padding: 0,5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.50) 100%);

    color: #888;
    font-size: 0.75rem;
}

@media (max-width: 768px) {
    footer {
        font-size: 0.7rem;
        padding: 0.8rem;
    }
}