main {
    padding: 2rem;
    text-align: center;
    color: #a1a1a1;
}

footer {
    background-color: rgba(51, 51, 51, 0.8);
    color: #999999;
    text-align: center;
    padding: 1rem 0;
    position:fixed;
    width: 100%;
    bottom: 0;
}