*, *::before, *::after { box-sizing: border-box; }

body {
    background: #fff;
    color: #000;
    font-family: monospace;
    font-size: 16px;
    line-height: 1.7;
    margin: 0;
    padding: 2rem 1rem;
}

#wrap {
    max-width: 70ch;
    margin: 0 auto;
}

nav {
    margin-bottom: 2.5rem;
}

nav a {
    margin-right: 0.5rem;
    text-decoration: none;
    color: #000;
    border: 1px solid #000;
    padding: 0.1rem 0.4rem;
}

nav a:hover { background: #000; color: #fff; }

#logo { color: #a00; border-color: #a00; }
#logo:hover { background: #a00; color: #fff; }

h1 {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 1rem 0 0.25rem;
}

h2 {
    font-size: 1rem;
    font-weight: bold;
    border-bottom: 1px solid #000;
    padding-bottom: 0.3rem;
    margin: 2rem 0 0.75rem;
}

p { margin: 0.6rem 0; }

a { color: #00c; }

ul {
    list-style: disc;
    padding-left: 1.5rem;
    margin: 0.5rem 0;
}

li { margin: 0.3rem 0; }

table {
    border-collapse: collapse;
    margin: 0.75rem 0;
    width: 100%;
}

td {
    padding: 0.2rem 2rem 0.2rem 0;
    vertical-align: top;
}

td:first-child { white-space: nowrap; }

img { max-width: 100%; margin: 1rem 0; }

footer {
    margin-top: 3rem;
    padding-top: 0.75rem;
    border-top: 1px solid #ccc;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    body { font-size: 3vw; }
}