* {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #000000;
    color: #f3f3f3;
}
main {
    padding: 20px;
}
ul {
    padding: 0 40px;
}
footer {
    background-color: #111;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
    & a {
        color: #fff;
    }
}
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
img {
    max-width: 250px;
    height: auto;
    animation: spin 10s linear infinite;
}
figure {
    text-align: center;
    margin: 80px 0;
}