* {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    box-sizing: border-box;
}

body {
    background-color: #fff;
}

main, nav {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

img {
    max-width: 100%;
    width: 512px;
}

img[class="256"] {
    width: 256px;
}

@media (max-width: 560px) {
    img[class="256"] {
        width: 156px;
    }
}

footer {
    width: 99%;
    height: 100px;
    text-align: center;
    margin-top: 2rem;
    position: relative;
    opacity: 0.5;
}

a[href="/whois"] {
    text-decoration: none;
    color: black;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #171717;
        color: white;
    }
    a {
        color: azure;
    }
    a[href="/whois"] {
        color: dimgray;
    }
}