* {
    box-sizing: border-box;
}

body {
    background: #ffffff;
    color: #111111;

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Helvetica Neue",
        Arial,
        sans-serif;

    font-size: 18px;
    line-height: 1.6;

    max-width: 900px;
    margin: 0 auto;
    padding: 80px 30px;
}

h1 {
    font-size: 56px;
    line-height: 1;
    letter-spacing: -3px;
    margin: 0 0 35px;
}

h2 {
    font-size: 25px;
    letter-spacing: -0.5px;
    margin-top: 50px;
}

p {
    max-width: 650px;
}

a {
    color: #111111;
    text-decoration: underline;
    text-underline-offset: 4px;
}

a:hover {
    color: #666666;
}

hr {
    border: 0;
    border-top: 1px solid #dddddd;
    margin: 50px 0;
}

details {
    border-top: 1px solid #dddddd;
    padding: 18px 0;
}

details:last-of-type {
    border-bottom: 1px solid #dddddd;
}

summary {
    cursor: pointer;
    font-size: 21px;
    font-weight: 600;
    list-style: none;
}

summary::-webkit-details-marker {
    display: none;
}

summary::before {
    content: "+";
    display: inline-block;
    width: 28px;
    font-weight: 400;
}

details[open] summary::before {
    content: "−";
}

ul {
    list-style: none;
    margin: 15px 0 0 28px;
    padding: 0;
}

li {
    margin: 9px 0;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 35px 0;
}

small {
    color: #777777;
}

@media (max-width: 600px) {
    body {
        padding: 45px 20px;
        font-size: 17px;
    }

    h1 {
        font-size: 40px;
        letter-spacing: -2px;
    }
}



.ascii-art {
    width: 100%;
    overflow: hidden;
    margin: 50px 0;
}

.ascii-art iframe {
    display: block;
    width: 100%;
    height: 1050px;

    border: 0;
    overflow: hidden;
}



.article-header,
        .article-body,
        .article-footer {
            max-width: 720px;
        }

        .back-link {
            display: inline-block;
            margin-bottom: 55px;
        }

        .article-header h1 {
            margin-bottom: 20px;
        }

        .article-meta {
            color: #666;
            margin-bottom: 35px;
        }

        .article-intro {
            font-size: 22px;
            line-height: 1.5;
            margin-bottom: 55px;
        }

        .article-body h2 {
            margin-top: 65px;
        }

        .article-body h3 {
            font-size: 20px;
            margin-top: 42px;
        }

        blockquote {
            border-left: 2px solid #111;
            margin: 35px 0;
            padding-left: 25px;
        }

        figure {
            margin: 45px 0;
        }

        figure img {
            margin-bottom: 12px;
        }

        figcaption {
            color: #666;
            font-size: 15px;
            line-height: 1.45;
        }

        /* The clickable footnote number. */
        .footnote-button {
            appearance: none;
            background: none;
            border: 0;
            color: inherit;
            cursor: pointer;
            font: inherit;
            margin: 0 0.05em;
            padding: 0 0.1em;
            text-decoration: underline;
            text-underline-offset: 2px;
            vertical-align: super;
            font-size: 0.72em;
            line-height: 1;
        }

        .footnote-button:hover,
        .footnote-button:focus-visible {
            color: #666;
        }

        /* Hidden until its number is clicked. */
        .footnote {
            background: #f3f3f3;
            border-left: 3px solid #111;
            margin: 18px 0 28px;
            padding: 18px 20px;
            font-size: 15px;
            line-height: 1.5;
        }

        .footnote[hidden] {
            display: none;
        }

        /* Pandoc stores the source notes here for the script. Readers see the
           expandable copies placed beside the relevant paragraphs instead. */
        .footnotes {
            display: none;
        }

        .footnote p {
            margin: 0;
        }

        .article-footer {
            border-top: 1px solid #ddd;
            margin-top: 70px;
            padding-top: 25px;
        }

        @media (max-width: 600px) {
            .article-intro {
                font-size: 20px;
            }

            .back-link {
                margin-bottom: 40px;
            }
        }