Rayhaan JaufeerallyandClaude Fable 5.1
2910a2a800
As presented. The palette is light on request of the reviewer; code blocks and byte dumps keep a dark ground so the byte colours still work. The OPEN walk lights the hovered bytes as an inverted block and its table cells are dark text on a tint of their group colour. build.py inlines reveal.js, the stylesheets, scripts and Markdown sections into slides/dist/hands-on-bgp.html for uploading. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
431 lines
11 KiB
CSS
431 lines
11 KiB
CSS
/*
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* The look of the deck. Structure borrowed from Matt Godbolt's newer talks
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* (hrt-theme.css in github.com/mattgodbolt/what-happens-beneath-accu-2026):
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* every slide on a rounded panel, IBM Plex Sans with thin h1 and bold accent
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* h2, IBM Plex Mono code, accent-coloured list markers, links and progress
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* bar, glowing highlighted code lines.
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*
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* Made our own: a light palette (his is near-black; change it in :root
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* below), and his "thread" corner motif becomes a chain of nodes and links,
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* an AS path. Code blocks and byte dumps stay dark on the light page so the
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* monokai colours and the byte palette keep working.
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*
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* Try accents without editing: index.html?accent=green (blue, green,
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* amber, magenta). Make one permanent by copying its values into :root.
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*/
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@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&family=IBM+Plex+Mono:ital,wght@0,400;0,500;1,400&display=swap");
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:root {
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--ground: #e9edf5; /* behind the panels */
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--panel: #ffffff; /* the slide itself */
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--panel-edge: rgba(31, 111, 235, 0.22);
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--ink: #1f2333; /* body text */
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--ink-strong: #0b0d17; /* h1, h3 */
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--muted: #6b7088; /* h4, captions */
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--rule: #c3c8d8; /* table rules, borders */
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--accent: #1f6feb; /* h2, markers, links, motif */
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--accent-soft: #0b4ea2; /* inline code, emphasis */
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--accent-rgb: 31, 111, 235;
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/* Code blocks and byte dumps keep a dark ground of their own. */
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--code-ground: #1b1e33;
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--code-ink: #eceff9;
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--r-code-font: "IBM Plex Mono", "SF Mono", Menlo, Consolas, monospace;
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--r-heading-text-shadow: none;
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}
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:root[data-accent="green"] {
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--accent: #1a8a4f;
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--accent-soft: #0f6238;
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--accent-rgb: 26, 138, 79;
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--panel-edge: rgba(26, 138, 79, 0.22);
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}
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:root[data-accent="amber"] {
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--accent: #b86e00;
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--accent-soft: #7a4a00;
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--accent-rgb: 184, 110, 0;
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--panel-edge: rgba(184, 110, 0, 0.22);
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}
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:root[data-accent="magenta"] {
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--accent: #c2277f;
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--accent-soft: #8a1a5a;
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--accent-rgb: 194, 39, 127;
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--panel-edge: rgba(194, 39, 127, 0.22);
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}
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/* ---- ground and panels ---------------------------------------------------- */
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.reveal-viewport {
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background: var(--ground);
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}
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.reveal {
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font-family: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
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font-size: 40px;
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font-weight: 400;
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color: var(--ink);
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}
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.reveal .slides section:not(.stack):not(.title-slide):not(.bare) {
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background-color: var(--panel);
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border-radius: 12px;
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box-shadow: 0 4px 30px rgba(20, 30, 60, 0.1);
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border: 1px solid var(--panel-edge);
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padding: 1em 0.8em;
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box-sizing: border-box;
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}
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/* ---- type ------------------------------------------------------------------ */
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.reveal h1,
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.reveal h2,
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.reveal h3,
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.reveal h4 {
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font-family: inherit;
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text-transform: none;
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text-shadow: none;
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margin: 0 0 20px 0;
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line-height: 1.25;
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}
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.reveal h1 {
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font-weight: 300;
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color: var(--ink-strong);
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font-size: 2.2em;
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line-height: 1.15;
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}
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.reveal h2 {
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font-weight: 700;
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color: var(--accent);
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font-size: 1.5em;
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}
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.reveal h3 {
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font-weight: 500;
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color: var(--ink-strong);
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font-size: 1.2em;
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}
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.reveal h4 {
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font-weight: 500;
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color: var(--muted);
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font-size: 1em;
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}
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.reveal p {
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margin: 20px 0;
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line-height: 1.5;
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}
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.reveal strong,
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.reveal b {
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font-weight: 700;
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color: var(--ink-strong);
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}
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.reveal em {
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font-style: italic;
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color: var(--accent-soft);
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}
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.reveal a {
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color: var(--accent);
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text-decoration: none;
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transition: color 0.15s ease;
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}
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.reveal a:hover {
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color: var(--accent-soft);
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}
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.reveal ul,
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.reveal ol {
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display: inline-block;
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text-align: left;
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margin: 0 0 0 1em;
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}
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.reveal ul {
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list-style-type: square;
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}
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.reveal ul li,
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.reveal ol li {
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margin-bottom: 0.4em;
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}
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.reveal li::marker {
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color: var(--accent);
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}
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.reveal blockquote {
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background: var(--ground);
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border-left: 4px solid var(--accent);
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padding: 20px 30px;
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font-style: italic;
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width: 85%;
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margin: 20px auto;
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text-align: left;
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}
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.reveal img,
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.reveal video,
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.reveal iframe {
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max-width: 95%;
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max-height: 95%;
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}
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.reveal kbd {
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font-family: var(--r-code-font);
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font-size: 80%;
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border: 1px solid var(--rule);
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border-bottom-width: 3px;
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border-radius: 5px;
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padding: 0 0.35em;
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}
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/* ---- code ------------------------------------------------------------------ */
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.reveal pre {
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width: 100%;
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margin: 20px auto;
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box-shadow: none;
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text-align: left;
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position: relative;
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font-size: 0.55em;
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line-height: 1.4;
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}
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.reveal code {
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font-family: var(--r-code-font);
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color: var(--accent-soft);
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}
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.reveal :not(pre) > code {
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white-space: nowrap;
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font-size: 92%;
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}
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.reveal pre code {
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display: block;
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color: var(--code-ink);
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background: var(--code-ground);
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border-radius: 6px;
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padding: 15px 20px;
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max-height: 560px;
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overflow: auto;
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}
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/* The lines being talked about glow; the rest dim (reveal handles the dim). */
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.reveal .hljs.has-highlights tr.highlight-line {
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text-shadow:
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0 0 6px currentColor,
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0 0 12px currentColor;
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transition: text-shadow 0.4s ease;
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}
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/* ---- tables ---------------------------------------------------------------- */
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.reveal table {
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border-collapse: collapse;
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border-spacing: 0;
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margin: 20px auto;
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font-size: 75%;
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}
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.reveal table th {
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font-weight: 700;
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color: var(--ink-strong);
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}
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.reveal table th,
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.reveal table td {
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text-align: left;
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border-bottom: 1px solid var(--rule);
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padding: 0.25em 0.6em;
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}
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.reveal table tr:last-child td {
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border-bottom: none;
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}
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/* ---- reveal chrome ---------------------------------------------------------- */
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.reveal .controls {
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color: var(--accent);
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bottom: 40px;
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}
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.reveal .progress {
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background: var(--panel);
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height: 4px;
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}
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.reveal .progress span {
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background: var(--accent);
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transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
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}
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.reveal .slide-number {
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color: #fff;
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font-family: var(--r-code-font);
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font-size: 18px;
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font-weight: 500;
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background: rgba(var(--accent-rgb), 0.9);
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padding: 3px 9px;
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border-radius: 4px;
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right: 16px;
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bottom: 16px;
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}
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::selection {
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color: #fff;
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background: var(--accent);
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}
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/* ---- the path motif ---------------------------------------------------------
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* Matt's decks carry a ring with a line running off the edge. Ours is a short
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* AS path: nodes joined by links, heading off the top-right corner, mirrored
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* running up from the bottom-left. Drawn in the accent colour via a mask, so
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* it follows --accent. Hidden on the title slide and on "bare" slides.
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*/
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.reveal::before,
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.reveal-viewport::before {
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content: "";
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position: fixed;
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background: var(--accent);
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z-index: 0;
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pointer-events: none;
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opacity: 0.9;
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}
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.reveal::before {
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top: 26px;
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right: 0;
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width: 38vw;
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height: 22px;
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-webkit-mask:
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url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 190 22'><g fill='none' stroke='black' stroke-width='3'><circle cx='11' cy='11' r='8'/><line x1='19' y1='11' x2='67' y2='11'/><circle cx='75' cy='11' r='8'/><line x1='83' y1='11' x2='131' y2='11'/><circle cx='139' cy='11' r='8'/><line x1='147' y1='11' x2='190' y2='11'/></g></svg>")
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left center / 190px 22px no-repeat,
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linear-gradient(black, black) 189px center / calc(100% - 189px) 3px no-repeat;
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mask:
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url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 190 22'><g fill='none' stroke='black' stroke-width='3'><circle cx='11' cy='11' r='8'/><line x1='19' y1='11' x2='67' y2='11'/><circle cx='75' cy='11' r='8'/><line x1='83' y1='11' x2='131' y2='11'/><circle cx='139' cy='11' r='8'/><line x1='147' y1='11' x2='190' y2='11'/></g></svg>")
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left center / 190px 22px no-repeat,
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linear-gradient(black, black) 189px center / calc(100% - 189px) 3px no-repeat;
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}
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.reveal-viewport::before {
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bottom: 64px;
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left: 40px;
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width: 22px;
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height: 36vh;
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-webkit-mask:
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url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 126'><g fill='none' stroke='black' stroke-width='3'><circle cx='11' cy='115' r='8'/><line x1='11' y1='107' x2='11' y2='59'/><circle cx='11' cy='51' r='8'/><line x1='11' y1='43' x2='11' y2='0'/></g></svg>")
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center bottom / 22px 126px no-repeat,
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linear-gradient(black, black) center top / 3px calc(100% - 125px) no-repeat;
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mask:
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url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 126'><g fill='none' stroke='black' stroke-width='3'><circle cx='11' cy='115' r='8'/><line x1='11' y1='107' x2='11' y2='59'/><circle cx='11' cy='51' r='8'/><line x1='11' y1='43' x2='11' y2='0'/></g></svg>")
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center bottom / 22px 126px no-repeat,
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linear-gradient(black, black) center top / 3px calc(100% - 125px) no-repeat;
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}
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.reveal:has(> .slides > section.title-slide.present)::before,
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.reveal:has(> .slides section.bare.present)::before {
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display: none;
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}
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.reveal-viewport:has(.reveal > .slides > section.title-slide.present)::before,
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.reveal-viewport:has(.reveal > .slides section.bare.present)::before {
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display: none;
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}
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.reveal:has(section.title-slide.present) .controls {
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display: none !important;
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}
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/* ---- wordmark, where his logo sits ------------------------------------------ */
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.wordmark {
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position: fixed;
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left: 22px;
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bottom: 18px;
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z-index: 10;
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font-family: var(--r-code-font);
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font-size: 15px;
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letter-spacing: 0.04em;
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color: var(--muted);
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pointer-events: none;
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}
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.wordmark b {
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color: var(--accent);
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font-weight: 500;
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}
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.reveal:has(section.title-slide.present) ~ .wordmark,
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.reveal:has(section.bare.present) ~ .wordmark {
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display: none;
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}
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/* ---- title slide -------------------------------------------------------------- */
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.reveal section.title-slide {
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text-align: left;
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padding: 0 1.5em;
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}
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.reveal section.title-slide h1 {
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font-size: 2.6em;
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margin-bottom: 0.15em;
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}
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.reveal section.title-slide h3 {
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font-weight: 400;
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color: var(--accent);
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margin-bottom: 2.2em;
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}
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.reveal section.title-slide .byline {
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font-size: 60%;
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color: var(--muted);
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margin: 0;
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}
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/* ---- shown by index.html when the deck cannot start --------------------------- */
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#deck-help {
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position: fixed;
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inset: 0;
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z-index: 100;
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padding: 8vh 10vw;
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background: var(--ground);
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color: var(--ink);
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font: 20px/1.5 "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
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}
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#deck-help h2 {
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color: var(--accent);
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font-weight: 700;
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}
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#deck-help pre,
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#deck-help code {
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font-family: var(--r-code-font);
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color: var(--accent-soft);
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}
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#deck-help pre {
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background: var(--panel);
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padding: 12px 16px;
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border-radius: 6px;
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}
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/* ---- print ------------------------------------------------------------------ */
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html.print-pdf .wordmark,
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html.reveal-print .wordmark {
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display: none;
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}
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