/* Fonts */ @font-face { font-family: 'Miriam Libre'; src: url('{{ "css/fonts/miriamlibre-bold.woff2" | absURL }}') format('woff2'), url('{{ "css/fonts/miriamlibre-bold.woff" | absURL }}') format('woff'); font-weight: bold; font-style: normal; } *, *::before, *::after { font-family: inherit; background-color: inherit; color: inherit; margin: 0; padding: 0; box-sizing: border-box; } html { font-size: calc(1em + 0.33vw); font-family: Arial, Helvetica Neue, sans-serif; line-height: 1.5; color: #111; background-color: #fefefe; } template { display: none !important; } * + * { margin-top: 2.25rem; } br, dt, dd, th, td, option, [hidden] + *, li + li, body, .main-and-footer { margin-top: 0; } p + p { margin-top: 0.75rem; } .priority { margin-top: 0; } a { text-decoration: none; border-bottom: 1px solid; } abbr { text-decoration: none; cursor: help; border-bottom: 1px dashed; } img { max-width: 100%; max-height: 50vh; } .img-link { border-bottom: none; } p img { margin: 0.75rem 0; } figure p img { margin: 0; } :focus:not([tabindex="-1"]), [data-expands]:focus svg, .patterns a:focus .text, [for="themer"] :focus + [aria-hidden] { outline: 4px solid #999; } a { outline-offset: 2px; } /* Fix for IE :( */ [tabindex="-1"]:focus, div:not([tabindex]):focus { outline: none; } [hidden] { display: none; } /* Skip link */ [href="#main"] { display: block; width: 100%; padding: 0.75rem; color: #fefefe; background: #000; position: absolute; top: -3rem; text-align: center; z-index: 1; } [href="#main"]:focus { top: 0; outline: none; } /* Text styles */ h1, h2, h3, h4 { font-family: Miriam Libre, serif; line-height: 1.125; } h1 { font-size: 2rem; } h2 { font-size: 1.66rem; } h3 { font-size: 1.25rem; } h4, h5 { font-size: 1rem; font-family: PT Sans, sans-serif; } h5 { font-size: 0.85rem; text-transform: uppercase; } kbd { line-height: 1; font-size: 0.66rem; padding: 0.1rem 0.33rem; border-radius: 0.25rem; border: 2px solid; box-shadow: 0.125rem 0.125rem 0 #111; vertical-align: 0.33em; } pre, .file-tree { overflow-x: auto; padding: 1.5rem; border: 1px solid; } code { font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace; font-size: 0.85em; } .cmd { padding: 0.75rem; background: #111; } .cmd code { color: #fefefe; white-space: nowrap; } .cmd code::before { content: '$'; font-weight: bold; padding-right: 0.25em; } /* Lists */ main ul, main ol { margin-left: 2.25rem; } main li + li { margin-top: 0.5rem; } main ul ul, main ol ol, main li ul, main li ol { margin-top: 0.5rem; } ol ol { list-style: lower-latin; } ol ol ol { list-style: lower-roman; } main dt { font-weight: bold; } main dd { padding-left: 2rem; } dd ul { margin-left: 0; } dd li + li { margin: 0; } /* Blockquotes */ blockquote { border-left: 0.5rem solid; padding-left: 0.75rem; } blockquote .author { font-size: 0.85rem; } /* Buttons */ button { font-size: 1.25rem; border-radius: 0.33em; font-family: inherit; background: #111; color: #fefefe; padding: 0.75rem; border: 0; } [data-launch] { font-size: 0.66rem !important; padding: 0.5rem !important; margin-top: 0 !important; border-radius: 0 !important; border-top-left-radius: 0.33rem !important; box-shadow: none !important; background: #111 !important; color: #fefefe !important; position: absolute !important; right: 0 !important; bottom: 0 !important; } /* Forms */ label { display: inline-block; font-weight: bold; } [for="themer"] { background: #111; border-radius: 0.33em; color: #fefefe; padding: 0.25em 0.75em; margin: 0.5rem; } [for="themer"] [aria-hidden]::before { content: 'off'; } [for="themer"] :checked + [aria-hidden]::before { content: 'on'; } /* Tables */ table { text-align: left; table-layout: fixed; width: 100%; border-collapse: collapse; } th, td { border: 2px solid; padding: 0.5rem; line-height: 1.25; margin: 0; } th { font-weight: bold; } th:empty { border: 0; } /* Tested using... table */ .tested { text-align: center; border: 1px solid #111; } .tested tr { display: flex; flex-flow: row wrap; } .tested td, .tested th { vertical-align: middle; overflow: hidden; flex: 1 0 auto; border: 1px solid #111; } .tested th { width: 100%; background-color: #111; color: #fefefe; outline-color: #111; } .tested img { max-width: 3rem; } .tested span { display: block; margin: 0; } .tested .additional { font-size: 0.85rem; } caption { font-size: 1.125rem; padding-bottom: 0.25rem; font-style: italic; } /* Page structure */ .wrapper { position: relative; margin-top: 0; overflow-x: hidden; } .intro-and-nav { font-size: 0.8rem; width: 15rem; height: 100vh; position: fixed; top: 0; left: 0; border-right: 2px solid; } .intro-and-nav > div { padding: 2.25rem; display: flex; flex-direction: column; height: 100%; } .intro { flex: 0 0 auto; } .patterns { flex: 1 1 auto; } .logo { border: 0; } .logo img { width: 100%; max-width: 12rem; } .library-desc { margin-top: 0.5rem; margin-left: auto; margin-right: auto; max-width: 25rem; } .main-and-footer { margin-left: 15rem; } .main-and-footer > div { max-width: 40rem; margin: 0 auto; padding: 2.25rem; } [role="contentinfo"] { font-size: 0.85rem; margin-top: 4rem; text-align: center; } /* Patterns navigation */ .patterns { overflow: auto; margin-top: 1.5rem; } .patterns * { margin-top: 0; } .patterns h3 { font-size: 1rem; } .patterns h3 + ul { margin-top: 0.75rem; } .patterns li { line-height: 1.125; list-style: none; } .patterns li + li { margin-top: 0.75rem; } .patterns ul ul { margin-left: 0.75rem; } .pattern a { border: 0; display: flex; flex-wrap: nowrap; align-items: baseline; font-weight: bold; padding: 0 1rem; } .pattern a:focus { outline: none; } .pattern span { margin-left: 0.125rem; } /* After */ .pattern [aria-current] { background-color: #111; clip-path: polygon(0% 0%, 90% 0%, 100% 50%, 90% 100%, 0% 100%); color: #fefefe; padding: 0.5em 1em 0.5em; } /* Menu button */ #menu-button { display: none; width: 100%; text-align: center; } #menu-button:focus { outline: none; box-shadow: inset 0 0 0 0.25rem #999; } /* Tables of contents */ .toc { font-size: 0.85rem; border: 1px solid; padding: 1.5rem; } .toc h2 { font-size: 1rem; } .toc ol { margin-left: 0.75rem; margin-top: 0.5rem; } /* Pattern lists */ .patterns-list { list-style: none; margin-left: 0; } .patterns-list h2 { font-size: 1.25rem; line-height: 1.6; } .patterns-list li + li { margin-top: 1rem; padding-top: 1rem; border-top: 2px solid; } .patterns-list a { border: 0; } /* Tags */ .tags { margin-top: 0; font-size: 0.85rem; } .tags * { display: inline; margin: 0; } .tags strong { margin-right: 0.25rem; } .tags li { white-space: nowrap; margin: 0 0.25rem 0 0; } /* Date */ .date { margin-top: 0; font-size: 0.85rem; } /* Notes and warnings */ .note { border-left: 0.5rem solid; font-size: 0.85rem; } .note .sign { height: 2.25rem; width: 2.25rem; } .note > div { margin-left: 0.75rem; } .note > div > img:first-child { height: 1.5rem; } .note > div >:first-child + * { margin-top: 0; } .note.warning { border-left: 0; background-image: url({{ "css/images/stripe.svg" | absURL }}); background-size: 0.5rem auto; background-repeat: repeat-y; } .note.warning > div { margin-left: 1.25rem; } /* Tick lists */ .ticks li { list-style: none; position: relative; } .ticks li::before { content: ''; display: inline-block; width: 1rem; height: 1rem; margin-right: 0.25rem; background-image: url({{ "css/images/icon-tick.svg" | absURL }}); background-size: 100% auto; position: absolute; left: -1.25rem; top: 0.25rem; } /* Figures */ figure { text-align: center; } figcaption { font-size: 0.85rem; font-style: italic; margin-top: 0.5rem; } main { display: block; counter-reset: fig; min-height: 100vh; } figcaption::before { counter-increment: fig; content: 'Figure ' counter(fig) ':\0020'; font-weight: bold; } /* Code blocks */ pre[class*=language-] { background: none; margin-top: 2.25rem; margin-bottom: 0; overflow-y: hidden; overflow-x: auto; } code[class*="language-"], pre[class*="language-"] { text-shadow: none; /* filter: grayscale(100%); */ } pre[class*=language-][data-line] { padding: 1em 0 0 2.25rem; } pre[class*=language-] code * { margin-top: 0 !important; } [data-codeblock-shortcode], .code-annotated code { display: inline-block; margin-top: -1rem; } .code-annotated { overflow-y: hidden; overflow-x: auto; padding: 1.5rem; border: 1px solid; white-space: pre; counter-reset: annotation; } .highlight { background: #ddd; padding: 0.0625rem 0.33rem; border-radius: 0.5rem; } .numbered .highlight::after, .code-annotated.numbered + ol li::before { counter-increment: annotation; content: counter(annotation); font-weight: bold; font-size: 0.5rem; background: #111; color: #fefefe; border-radius: 1rem; margin-left: 0.25rem; padding: 0.125em 0.5em; vertical-align: 0.33em; } .code-annotated.numbered + ol { list-style: none; counter-reset: annotation; } .code-annotated.numbered + ol li::before { font-size: 0.66em; margin-right: 0.33em; vertical-align: 0.25em; } /* File tree lists */ .file-tree { overflow-x: auto; } .file-tree ul { font-family: Courier, monospace; margin: 0; padding: 0; padding-left: 3rem; list-style: none; line-height: 1.25; position: relative; } .file-tree > ul { padding-left: 0; overflow-x: auto; overflow-y: hidden; } .file-tree li { background: #fefefe; position: relative; white-space: nowrap; } .file-tree li + li { margin-top: 0; } .file-tree li:not(:last-child) > ul::before { content: '\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020\2502\0020'; position: absolute; left: 0; top: 0; bottom: 0; width: 1em; white-space: normal; } .file-tree li::before { content: '\251C\2500\2500\0020'; } .file-tree li:last-child::before { content: '\2514\2500\2500\0020'; } /* Expandable sections */ .expandable-section { border-top: 1px solid; border-bottom: 1px solid; padding: 0.75rem 0; } [id^="js-expandable-"] { margin: 0; padding: 1.5rem 0 0.75rem; } @media screen { .expandable-section + .expandable-section { margin-top: 0; border-top: 0; } } [data-expands] { text-align: left; color: #111; border: 0; background: none; width: 100%; padding: 0; margin: 0; display: flex; align-items: center; justify-content: space-between; cursor: pointer; } [data-expands] svg { margin-top: 0; width: 1em; height: 1em; } [data-expands][aria-expanded="true"] svg .up-strut { display: none; } [data-expands]:focus { outline: none; } p:empty { display: none; } *:not(p) + p:empty + p { margin-top: 2.25rem; } /* WCAG and principles */ .wcag li { font-size: 0.85em; } .principles p { font-size: 0.85rem; margin-top: 0.75rem; } .principles.with-desc > li + li, .wcag.with-desc > li + li { border-top: 1px solid; margin-top: 0.75rem; padding-top: 0.75rem; } /* Site errors */ .site-error { padding: 1.5rem; background: #efefef; } .site-error strong { color: #C83737; } /* SVG icons */ a svg, button svg, h1 svg, th svg, li > svg { height: 0.75em; width: 0.75em; margin-right: 0.25em; } h1 svg { margin-right: 0; width: 0.85em; height: 0.85em; } .wcag-icon { width: 1.25em; } .bookmark-icon { vertical-align: middle; } .link-icon { width: 0.75em; height: 0.75em; } .tags svg, .link-icon { vertical-align: middle; } .balloon-icon { width: 0.75em; margin-right: 0; } .print { white-space: nowrap; font-style: normal; } /* Color palettes */ .colors { display: flex; height: 5rem; margin: -0.25rem; list-style: none; flex-wrap: nowrap; } .colors li { margin: 0.25rem; flex: 1 0 auto; position: relative; } .colors span { line-height: 1; background-color: #111; color: #fefefe; font-size: 0.75rem; padding: 0.25rem; position: absolute; bottom: 0.25rem; right: 0.25rem; } /* Cross references */ .pattern-link { font-weight: bold; } /* Inline demos */ .demo-inner { border-top: 1px solid; border-bottom: 1px solid; padding: 1.5rem 0; position: relative; } [id^="js-demo-"] { all: initial; display: block; } /* Section links */ .h2-container { position: relative; font-size: 1.66rem; } .h2-container a { position: absolute; margin-top: 0; top: 0; line-height: 1; left: -1em; border: 0; } /* Single page layout */ .wrapper.print-version .main-and-footer { margin-left: 0; } .wrapper.print-version .intro-and-nav { position: static; border: 0; width: auto; text-align: center; display: flex; align-items: center; justify-content: center; } .wrapper.print-version main { min-height: 0; } .wrapper.print-version .library-desc { font-size: 1rem; } .wrapper.print-version .intro-and-nav > div { height: auto; } .wrapper.print-version #patterns-list { margin-left: 0; margin-top: 1.5rem; display: block; } .wrapper.print-version .toc { font-size: 1rem; } .wrapper.print-version .toc h2 { font-size: 1.66rem; } .wrapper.print-version #patterns-list h3 { font-size: 1.25rem; } .wrapper.print-version .patterns { margin-top: 0; } .pattern-section:not(:last-child) { padding-bottom: 2.25rem; border-bottom: 2px solid; } .pattern-section h1 { padding: 0 !important; } /* Custom 404 */ .custom-404 { text-align: center; } .custom-404 * { margin: 0; } .custom-404 svg { max-width: 100%; } /* Utilities */ .vh { clip: rect(1px, 1px, 1px, 1px); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; } .gallery { display: flex; justify-content: center; } /* Media queries */ @media screen and (max-width: 45em) { body a { hyphens: auto; } [role="banner"] { position: static; width: auto; height: auto; } .intro { text-align: center; } .intro-and-nav { border-right: none; } .intro-and-nav > div { padding: 1.5rem; } .main-and-footer { margin: 0; } main { min-height: auto; } #patterns-list { margin-top: 0.5rem; border: 1px solid; } .patterns h3 { font-size: 1.5rem; padding: 1.5rem 1rem 0.75rem; } .patterns li:not(.pattern) { margin-top: 0; } .patterns ul ul { margin: 0; } .patterns li { margin-top: 0; } .pattern { font-size: 1rem; } .pattern a { padding: 1rem; } .pattern [aria-current] { clip-path: none; padding: 1rem; } .pattern + .pattern { border-top: 1px solid; margin-top: 0; } #menu-button { display: block; } #patterns-list { display: none; } .toc-link { display: none; } [aria-expanded="true"] + #patterns-list { display: block; } code { word-break: break-all; } } @media print { .wrapper:not(.print-version) .intro-and-nav, .wrapper:not(.print-version) [role="contentinfo"] { display: none; } .main-and-footer { margin-left: 0; } a { border: 0; } main a::after { content: " (" attr(href) ")"; word-break: break-word; } main nav a::after { content: ''; } .cmd code { background: #fefefe; color: #111; } pre code { white-space: pre-wrap !important; } .expandable-section { border: 0; padding: 0; } .expandable-section + p { margin-top: 0.75rem; } [id^="js-expandable-"] { display: block; } [data-expands] svg { display: none; } main *:not(.with-desc) { page-break-inside: avoid; } .note.warning { border-left: 0.5rem solid; background: none; } } @media (-ms-high-contrast: active) { img[src*=".svg"] { background: #fefefe; padding: 0.5rem; } .ticks li::before { content: '✓'; background: none; width: auto; top: 0; } .note.warning { border-left: 0.5rem solid; background: none; } }