Crimson, a Markdown theme for legal reports

Crimson.css

/*
    Crimson – a theme for legal reports
    © RSChiang 2019, CC BY-SA 4.0
*/

/* Metrics */

html, body {
    margin: 0;
    padding: 0;
    font-size: 16px;
    line-height: 1.75;
}

@media print {
    @page {
        size: letter;
        margin: 1in 1.25in;
    }

    html, body {
        color: black;
        font-size: 12pt;
    }
}

@media only screen {
    body {
        color: #111;
        margin: 1rem 2rem;
    }
}

h1, h2, h3, h4, h5, h6 {
    margin: 1rem 0;
    padding: 0;
    font-size: 1rem;
    line-height: 1rem;
}

h1 {
    font-size: 1.25rem;
    line-height: 2rem;
    text-align: center;
}

p {
    margin: 1rem 0;
}

sup, sub {
    line-height: normal;
}

hr {
    height: .25rem;
    margin: 1rem 0;
    border: 0 none;
}

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

/* Overrides */

* {
    box-sizing: border-box;
}

body > *:first-child,
blockquote > *:first-child {
    margin-top: 0 !important;
}

body > *:last-child,
blockquote > :*:last-child {
    margin-bottom: 0 !important;
}

/* Typography */
html, body {
    font-family: Crimson, Garamond, 'Source Han Serif TC', 'Songti TC', serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Source Serif Pro', Garamond, 'Source Han Serif TC', 'Songti TC', serif;
    font-weight: bold;
}

pre {
    font-family: 'Source Han Mono TC', 'Source Han Sans HW TC', 'Source Code Pro', monospace;
}

em {
    font-synthesis: none;
}

blockquote {
    margin: 0;
    padding: 0 1rem;
}

/* Combined CJK quotation font */

@font-face {
    font-family: 'Crimson Latin';
    font-style: normal;
    src: local(Crimson-Italic);
    unicode-range: U+0025-2450;
}

@font-face {
    font-family: 'Yu Kana';
    font-style: normal;
    src: local(YuKyo_Yoko-Medium);
    unicode-range: U+3040-30FF;
}

/* Colors */

:root {
    --dark-crimson: #a90533;
    --light-crimson: #ed174c;
    --press-black: #292926;
    --press-white: white;
    --limestone: #dedad7;
    --mahogany: #493828;
}

/* Elements */

a {
    background: transparent;
    color: var(--dark-crimson);
    text-decoration: none;
}

hr {
    background: var(--limestone);
}

/* Tables */
table {
    width: 100%;
}

th, tr, td {
    background-color: transparent;
    border: 0;
}

/* TOC */

.toc {
    padding: 0;
    list-style: none;
}

.toc::before {
    content: "Table of Contents";
    display: block;
    text-align: center;
    margin: 1rem 0;
    padding: 0;
    font-size: 1rem;
    line-height: 1rem;
    font-family: 'Source Serif Pro', Garamond, 'Source Han Serif TC', 'Songti TC', serif;
    font-weight: bold;
}

.toc ul {
    padding: 0 0 0 2rem;
    list-style: none;
}

.toc > li > a {
    font-variant: small-caps;
}

.toc > li > ul > li > a {
    font-style: italic;
}

/* Footnotes */
.footnotes {
    font-size: 13.5px;
}

.footnotes > ol {
    padding: 0 0 0 2rem;
    list-style: none;
    counter-reset: footnote;
}

.footnotes > ol > li {
    position: relative;
    counter-increment: footnote;
}

.footnotes > ol > li::before {
    content: counter(footnote);
    position: absolute;
    left: -2rem;
    width: 1.625rem;
    text-align: right;
    font-variant-position: super;
}

@supports not (font-variant-position: super) {
    .footnotes > ol > li::before {
        top: 0.5em;
        font-size: 75%;
        font-weight: 500;
        font-variant-numeric: tabular-nums;
        line-height: 1;
    }
}

.footnotes > ol > li[data-bullet] {
    counter-increment: none;
}

.footnotes > ol > li[data-bullet]::before {
    content: attr(data-bullet);
}

.footnotes p {
    margin: 0;
}

.footnotes a {
    word-break: break-all;
    word-wrap: break-word;
}

.footnotes a[rev] {
    display: none;
}

.footnotes em {
    font-family: Crimson, 'Yu Kana', 'Kaiti TC', serif;
}

@supports not (font-synthesis: none) {
    .footnotes em {
        font-family: 'Crimson Latin', 'Yu Kana', 'Kaiti TC', serif;
        font-style: normal;
    }
}

.footnotes cite {
    font-style: normal;
    font-variant: small-caps;
}

sup a,
a[rev=footnote] {
    text-decoration: none;
}

@media print {
    .footnotes {
        font-size: 10pt;
    }

    a[rev=footnote] {
        display: none;
    }
}

/* Editor support */
@media screen {
    html, body {
        background: var(--press-white);
        color: var(--press-black);
    }
}

@media screen and (prefers-color-scheme: dark) {
    html, body {
        background: var(--press-black);
        color: var(--limestone);
    }

    a {
        color: var(--light-crimson);
    }

    hr {
        background: var(--mahogany);
    }
}