lilac.css

:root {
    --bg: #fff;
    --fg: #000;
    --bg-code: #f7f7f7;
    --border-light: #ccc;
    --fg-link: #0000ff;
    --fg-nref-link: #21618c;
    --bg-nref-link: #d8f6ff;
    --fg-nref-link-hover: #7d3c98;
    --bg-nref-link-hover: #f8e9ff;
    --fg-toc-item: green;
    --bg-toc-item: #f1ffef;
    --fg-heading: black;
    --clear: rgba(255, 255, 255, 0);
    --font-serif: "Source Serif 4", serif;
    --font-sans: "Source Sans 3", sans;
    --font-mono: "Source Code Pro", monospace;
}
body {
    font-size: 1.25em;
    width: 800px;
    margin-left: 310px;
    overflow-x: hidden;
    background-color: var(--bg);
    color: var(--fg);
}

body, p, li, legend {
    font-family: var(--font-serif);
}

h2, h3, h4, h5, h6 {
    margin: 0.5em 0 0 -4px;
    padding: 0 4px;
    display: inline-block;
    border-style: solid;
    border-width: 1px;
    border-color: var(--clear);
}

h1, h2, h3, h4, h5, h6, dt {
    font-family: var(--font-sans);
}

h3, h4, h5, h6 {
    font-weight: normal;
}

p, li {
    line-height: 1.2em;
}

p, ol, ul {
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 1em;
}

li {
    margin-bottom: 0;
}
h1.title {
    font-family: "Source Serif 4", serif;
    font-size: 60pt;
    margin-top: 0.4em;
    margin-bottom: 0;
}
table {
    margin: 1em auto 0em auto;
    border-spacing: 0;
    border-radius: 4px;
    border: 1px solid var(--border-light);
    border-collapse: unset;
    overflow: hidden;
}

th, td {
    padding: 3px 6px;
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

th:last-child, td:last-child  {
    border-right: none;
}

tr:last-child td {
    border-bottom: none;
}

thead {
    background-color: var(--bg-code);
}
dl {
    margin: 0;
    padding-top: 1em;
}
img {
    display: block;
    margin: 0 auto;
}
code {
    background-color: var(--bg-code);
    padding-top: 2px;
    padding-left: 5px;
    padding-right: 5px;
    white-space: nowrap;
    border-radius: 4px;
    border-style: solid;
    border-width: 1px;
    border-color: var(--border-light);
}

pre {
    font-family: var(--font-mono);
    font-size: 0.8em;
    border-radius: 5px;
    margin: 1em 0 0 0;
    background-color: var(--bg-code);
    border-color: var(--border-light);
    min-width: fit-content;
}
pre.src::before {
    background-color: var(--bg-code);
}
a {
    color: var(--fg-link);
}
h1 {
    font-size: 3em;
}

h2 {
    font-size: 2.4em;
}

h3 {
    font-size: 2em;
}

h4 {
    font-size: 1.6em;
}

h5 {
    font-size: 1.2em;
}

h6 {
    font-size: 1em;
}
.code-highlighted {
    background-color: inherit;
}
a.section-heading {
    color: black;
    text-decoration: none;
    display: block;
}
a.section-heading::after {
    opacity: 0;
    transition: opacity 150ms;
    content: "\1f517";
    padding-left: 1rem;
}
a.section-heading:hover::after {
    opacity: 1;
    transition: opacity 150ms;
    content: "\1f517";
}
.org-src-container {
    padding-top: 1em;
}

.org-src-container pre {
    margin: 0;
    border-width: 0;
    scroll-margin-top: 100px;
    border-style: solid;
    border-width: 1px;
    border-color: var(--border-light);
    border-radius: 5px;
}

/* Source code block body. */
.org-src-container pre.src {
    background-color: var(--bg-code);
}

.lilac-caption {
    font-family: var(--font-mono);
    text-align: right;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    padding-top: 2px;
    padding-bottom: 2px;
}

.lilac-caption label {
    margin-right: 10px;
    padding-left: 10px;
    padding-right: 10px;
    padding-bottom: 10px;
    border-radius: 5px;
    border-style: solid;
    border-bottom-style: none;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-width: 1px;
    background-color: var(--bg-code);
    border-color: var(--border-light);
}

.lilac-caption-source-code-block-name {
    color: #444444;
    font-weight: bold;
    margin-right: 5px;
}

.lilac-caption-parent-link {
    margin-top: 5px;
    margin-right: 5px;
    padding-left: 5px;
    padding-right: 5px;
    font-weight: bold;
}
.lilac-caption-parent-link a {
    padding-left: 10px;
    padding-right: 10px;
    padding-bottom: 10px;
    color: var(--fg-nref-link);
    background-color: var(--bg-nref-link);
    border-radius: 5px;
    border-style: solid;
    border-width: 1px;
    border-bottom-style: none;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    transition: all 150ms ease-in-out;
}
.lilac-caption-parent-link a:hover {
    color: var(--fg-nref-link-hover);
    background-color: var(--bg-nref-link-hover);
    text-decoration: none;
}

.lilac-caption-link-symbol a {
    margin-right: 5px;
}
.lilac-caption-link-symbol a:hover {
    text-decoration: none;
}

.lilac-caption-listing-number {
    margin-right: 5px;
}
.lilac-child-link-from-parent {
    font-weight: bold;
}
.lilac-child-link-from-parent a {
    color: var(--fg-nref-link);
    background-color: var(--bg-nref-link);
    border-radius: 5px;
    border-style: solid;
    border-width: 1px;
    margin: 2px 0;
    padding: 0 5px;
    display: inline-block;
    transition: all 150ms ease-in-out;
}
.lilac-child-link-from-parent a:hover {
    color: var(--fg-nref-link-hover);
    background-color: var(--bg-nref-link-hover);
    text-decoration: none;
}
.sidenote {
    font-size: 80%;
    margin-top: 1em;
    padding: 1em 0 1em 1em;
    border-left: solid;
    border-right: none;
    border-width: 1px;
    border-color: var(--border-light);
}

.sidenote p {
    padding-top: 0;
    margin-top: 1em;
}

.sidenote p:first-child {
    margin-top: 0;
}

@media (max-width: 1425px) {
    .sidenote {
        margin-left: 1em;
    }
}

@media (min-width: 1425px) {
    .sidenote {
        margin-left: 0;

        width: 280px;
        float: right;
        margin-right: -315px;
    }
}
.lilac-description-list-entry {
    padding: 0.2em 0.5em 0.5em 0.5em;
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    border-color: var(--clear);
}

.org-dl .active {
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
.csl-entry {
    padding: 0.5em;
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    border-color: var(--clear);
    margin-left: 0;
    padding-left: 2em;
}

.outline-2 .csl-bib-body .active {
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
#table-of-contents {
    position: fixed;
    top: 0;
    float: left;
    margin-left: -300px;
    width: 280px;
    font-size: 90%;
    border-right-style: solid;
    border-right-width: 1px;
    border-right-color: var(--border-light);
}
#text-table-of-contents {
    overflow-y: scroll;
    height: 100vh;
    padding-right: 20px;
    padding-left: 5px;
}
#text-table-of-contents li {
    font-family: var(--font-sans);
}
#text-table-of-contents ul li {
    font-weight: bold;
}
#text-table-of-contents ul li ul li {
    font-weight: normal;
}
#text-table-of-contents ul {
    margin: 0;
    padding: 0;
}
#text-table-of-contents > ul > li {
    padding-top: 1em;
}
#text-table-of-contents > ul > li:last-child {
    padding-bottom: 1.5em;
}
#table-of-contents a {
    display: block;
    transition: all 300ms ease-in-out;
    padding: 5px;
    border-radius: 4px;
    border-style: solid;
    border-width: 1px;
    border-color: var(--clear);
    color: var(--fg-heading);
}
#table-of-contents .active {
    color: var(--fg-heading);
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
#table-of-contents a:hover {
    text-decoration: none;
}
@media print {
    #table-of-contents {
        display: none !important;
    }
    body {
        margin-left: 0;
    }
}
@media (any-pointer: coarse) {
    #table-of-contents {
        display: none !important;
    }
    h1.title {
        font-size: 40pt;
    }
    body {
        margin-left: 1em;
        font-size: 1em;
        width: auto;
    }
    .lilac-caption {
        font-size: 0.8em;
    }
    pre {
        font-size: 0.7em;
        min-width: auto;
    }
}
.outline-2 h2.active {
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
.outline-2 h3.active {
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
.outline-2 h4.active {
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
.outline-2 h5.active {
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
.outline-2 h6.active {
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
.outline-2 pre.active {
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}
.outline-2 span.active {
    display: inline-block;
    width: 100%;
    border-style: solid;
    border-width: 1px;
    border-radius: 5px;
    background-color: var(--bg-toc-item);
    border-color: var(--fg-toc-item);
}