html {
    margin: 0;
    padding: 0;
    background-color: #0b0b0b;
}

body {
    margin: 0;
    /* Center the card, but let the page scroll when the card is taller
       than the viewport (e.g. on phones). */
    min-height: 100vh;
    box-sizing: border-box;
    padding: 24px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Mono', Menlo, Consolas, 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1.6;
    color: #111111;
}

.container {
    box-sizing: border-box;
    width: 100%;
    max-width: 42rem;
    padding: 32px;
    background-color: #FFFFFF;
    border: 2px solid #111111;
    /* Solid red offset shadow for a print-like look. */
    box-shadow: 8px 8px 0 #C8102E;
}

h1 {
    margin: 0 0 4px;
    font-size: 1.8rem;
    line-height: 1.2;
}

/* Tagline directly under the heading. */
.tagline {
    margin: 0 0 20px;
    padding-bottom: 16px;
    border-bottom: 3px solid #C8102E;
    color: #444444;
    font-style: italic;
}

p {
    margin: 0 0 16px;
}

p:last-child {
    margin-bottom: 0;
}

a:any-link {
    color: #C8102E;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

a:hover,
a:focus {
    color: #8E0B21;
    text-decoration-thickness: 3px;
}

::selection {
    background-color: #C8102E;
    color: #FFFFFF;
}

@media (max-width: 600px) {
    body {
        padding: 16px 12px;
    }

    .container {
        padding: 20px;
        box-shadow: 5px 5px 0 #C8102E;
    }

    h1 {
        font-size: 1.5rem;
    }
}