:root {
    --green: #0f6a21;
    --gray: #aaa;
    --code: #fafafa;
}

body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

a, a:visited {
    color: var(--green);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

main {
    max-width: 42rem;
    margin: 2rem auto;
}

footer {
    text-align: center;
    margin: 4rem auto 0rem;
    color: var(--gray);
}

figure {
    padding: 0;
    margin: 1rem 0;
    text-align: center;
}

figure img {
    max-width: 100%;
    border-radius: 3px;
}

figcaption h4 {
    margin: 0;
    font-weight: initial;
    font-size: 0.9rem;
    text-align: center;
}

code {
    background-color: var(--code);
}

pre {
    padding: 0.5em;
    overflow-y: scroll;
    background-color: var(--code);
}

@media (prefers-color-scheme: dark) {
    :root {
        --green: #6dc67f;
        --code: #1e1d19;
    }

    body {
        background-color: #161513;
        color: #fff;
    }
}