body {
    max-width: 40rem;
    margin: 2rem auto;
    padding: 0 1rem;
    line-height: 1.6;
    color: #222;
}

header nav ul {
    list-style: none;
    padding: 0;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid #ccc;
}

a {
    color: #005;
    text-underline-offset: 0.3rem;
}

a:visited {
    color: #303;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    border: 1px solid #ddd;
    padding: 0.5rem;
    text-align: left;
}

th {
    background: #f5f5f5;
}

blockquote {
    border-left: 3px solid #ccc;
    margin-left: 0;
    padding-left: 1rem;
    color: #555;
}

img,
svg {
    max-width: 100%;
    height: auto;
}

footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid #ccc;
    font-size: 0.9rem;
}

hr {
    border: none;
    border-top: 1px solid #ccc;
    margin: 1.5rem auto;
    display: block;
}

footer p {
    text-indent: 0;
}

pre {
    overflow-x: auto;
    padding: 1rem;
    background: #f5f5f5;
}

code {
    background: #f5f5f5;
    padding: 0.1rem 0.3rem;
}

pre code {
    background: none;
    padding: 0;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #1a1a1a;
        color: #d4d4d4;
    }

    a {
        color: #7a9ec2;
    }

    a:visited {
        color: #9a7eb0;
    }

    header nav ul {
        border-bottom-color: #444;
    }

    th,
    td {
        border-color: #444;
    }

    th {
        background: #2a2a2a;
    }

    blockquote {
        border-left-color: #555;
        color: #999;
    }

    footer {
        border-top-color: #444;
    }

    hr {
        border-top-color: #444;
    }

    pre {
        background: #242424;
    }

    code {
        background: #242424;
    }
}

p {
    line-height: 2;
    max-width: 70ch;
    text-align: justify;
}

figcaption {
    font-style: italic;
    font-size: 0.9rem;
    text-align: center;
}