/* Inspired by http://meyerweb.com/eric/tools/css/reset/
v2.0 | 20110126
License: none (public domain)
*/
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video, input, textarea, select, button, .button { margin: 0; padding: 0; border: 0; font-family: inherit; font-size: inherit; font: inherit; color: inherit; font-weight: inherit; line-height: inherit; vertical-align: baseline; background: none; box-shadow: none; outline: none; -webkit-tap-highlight-color: rgba(255, 255, 255, 0); }

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; }

ol, ul { list-style: none; }

blockquote, q { quotes: none; }

blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; }

table { border-collapse: collapse; border-spacing: 0; }

a { color: inherit; text-decoration: inherit; text-transform: inherit; }

img { max-width: 100%; }

body { line-height: 1; }

html, body { margin: 0; }

html { box-sizing: border-box; }

*, *:before, *:after { box-sizing: inherit; }

html, body { font-size: 21px; background: var(--bg-color); font-family: var(--serif); color: var(--text-color); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

@media (max-width: 640px) { html, body { font-size: 17px; } }

.wrapper { width: 100%; max-width: 1240px; margin: 0 auto; padding: var(--padding-xl); }

@media (max-width: 640px) { .wrapper { padding: var(--padding); } }

.container { display: flex; flex-direction: row; flex-wrap: nowrap; }

@media (max-width: 640px) { .container { display: block; flex: none; } }

.container .nav { z-index: 1; position: sticky; top: var(--padding-xl); bottom: var(--padding-xl); margin-top: 0px; margin-bottom: 0px; height: 100%; overflow-y: auto; flex: 0 0 auto; }

@media (max-width: 640px) { .container .nav { margin-top: var(--padding-lg); } }

.container .content { flex: 0 0 auto; width: 75%; padding: 0 var(--padding-xl); }

@media (max-width: 640px) { .container .content { width: 100%; flex: none; padding: var(--padding); } }

.container .sidebar { display: block; position: sticky; top: var(--padding-xl); bottom: var(--padding-xl); height: 100%; overflow-y: auto; flex: 0 0 22%; }

@media (max-width: 640px) { .container .sidebar { position: static; border-top: 1px solid var(--text-supersubtle); padding: var(--padding-xl) 0; } }

article header a, article main a { display: inline-block; color: var(--link-color); }

article header a:not(button, .button):hover, article main a:not(button, .button):hover { background: var(--bg-emphasis); padding: 0px 5px; margin: 0 -5px; border-radius: 3px; }

article .aspect-ratio { position: relative; width: 100%; padding-bottom: 56.25%; }

article .aspect-ratio iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }

article header { line-height: 1.3; margin-bottom: var(--padding-xl); }

article header h1 { font-size: var(--text-xl); font-weight: var(--emphasis); margin-bottom: var(--padding); }

article header p { color: var(--text-subtle); line-height: var(--line-height); }

article header .series { font-size: var(--text-sm); font-family: var(--sans-serif); margin-bottom: var(--padding-lg); }

article header .series span { margin-left: var(--padding); padding-left: var(--padding-lg); border-left: 1px solid var(--text-supersubtle); display: inline-block; }

article header .series span:first-child { margin-left: 0; padding-left: 0; border-left: 0; }

article header .description { font-size: var(--text-lg); }

article main { line-height: var(--line-height); }

article main h1, article main h2, article main h3, article main h4, article main h5, article main h6 { color: var(--text-brilliant); padding-top: var(--padding-lg); font-family: var(--sans-serif); font-weight: var(--emphasis); }

article main h1:first-child, article main h2:first-child, article main h3:first-child, article main h4:first-child, article main h5:first-child, article main h6:first-child { padding-top: 0; }

article main h1, article main h2, article main h3, article main h4, article main h5, article main h6, article main p, article main ul, article main ol, article main .aspect-ratio, article main blockquote { margin-bottom: var(--padding-lg); }

article main h2 { font-size: var(--text-lg); }

article main h3 { font-size: var(--text-md); }

article main ul { list-style: disc; }

article main ol { list-style: disc; }

article main li { margin-left: 25px; }

article main strong, article main b { font-weight: bold; color: var(--text-brilliant); }

article main em, article main i { font-style: oblique; }

article footer { display: block; margin-top: var(--padding-xl); margin-bottom: var(--padding-xl); }

.progress-bar { margin-top: 4rem; padding-bottom: var(--padding-lg); margin-bottom: var(--padding-xl); }

.progress-bar .bar { background: var(--bg-emphasis); }

.progress-bar .progress { background: var(--link-color); height: 0.5rem; }

.progress-bar p { margin-top: var(--padding); font-family: var(--sans-serif); }

.progress-bar p a { color: var(--text-color); }

.progress-bar p a:not(button, .button):hover { background: none; color: var(--link-color); }

.progress-bar .arrow { margin-left: var(--padding); }

.progress-bar .next { float: right; }

.progress-bar .next a { font-weight: var(--emphasis); }

.progress-bar .prev { color: var(--text-subtle); }

.progress-bar .prev .arrow { margin-left: var(--padding); }

button, .button { display: inline-block; background: var(--text-color); font-family: var(--sans-serif); color: var(--bg-color); padding: var(--padding) var(--padding-xl); border-radius: var(--padding-xl); }

button:hover, .button:hover { background: var(--link-color); }

#toc-wrapper { display: none; }

#toc { position: fixed; top: 0; width: 20rem; bottom: 0; left: 0; overflow: auto; -webkit-overflow-scrolling: touch; background: var(--bg-color); padding: var(--padding-xl); color: var(--text-subtle); border-right: 3px solid var(--text-supersubtle); z-index: 9999; font-family: var(--sans-serif); line-height: var(--line-height); }

@media (max-width: 640px) { #toc { width: auto; right: 10%; } }

#toc h3 { font-weight: var(--emphasis); }

#toc h4 { margin-bottom: var(--padding-xl); }

#toc p { font-size: var(--text-sm); margin-bottom: var(--padding-xl); }

#toc ul li { margin-bottom: var(--padding); }

#toc ul li a { margin-bottom: 0; color: var(--text-brilliant); }

#toc ul li a:hover { color: var(--link-color); }

#toc ul li ul { list-style: lower-roman; }

#toc ul li ul li { margin-left: 25px; margin-bottom: var(--padding-sm); font-size: var(--text-sm); }

#toc ul li ul li a { color: var(--text-subtle); }

#toc-overlay { position: fixed; top: 0; right: 0; bottom: 0; left: 0; background: var(--bg-color); opacity: 0.8; z-index: 9998; }

aside { font-family: var(--sans-serif); font-size: var(--text-sm); line-height: var(--line-height); color: var(--text-supersubtle); }

@media (max-width: 640px) { aside { font-size: var(--text-md); } }

aside p { margin-bottom: var(--padding-xl); }

aside a { color: var(--text-color); }

nav a { display: block; margin-bottom: 1.35rem; color: var(--text-subtle); }

nav a:hover { background: none; color: var(--text-brilliant); }

nav svg { width: var(--text-lg); }

.top-bar { width: 100%; background: var(--link-color); color: var(--bg-color); padding: var(--padding-top-bar); text-align: center; font-family: var(--sans-serif); font-size: var(--text-sm); }

.top-bar a { text-decoration: underline; }

/*# sourceMappingURL=main.css.map */