body {
    background-color: #111;
    color: #eee;
    display: flex;
    justify-content: center;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif
}

.container {
    padding: 20px 40px 20px 40px;
    max-width: 50rem;
    background-color: #222;
}

a {
    color: cornflowerblue;
}

a:visited {
    color: mediumslateblue;
}

a:hover {
    color: aqua;
}