From bf93dafdfa6b1c3977e25d093527f40a058f114d Mon Sep 17 00:00:00 2001 From: Alex Shpak Date: Tue, 7 Jul 2020 23:06:21 +0200 Subject: [PATCH] Improve accessibility and keyboard navigation --- assets/_main.scss | 39 +++++++++++++------ assets/_markdown.scss | 6 +-- assets/_shortcodes.scss | 3 ++ assets/_utils.scss | 14 +++++++ exampleSite/config.toml | 2 +- ...s_50fc8c04e12a2f59027287995557ceff.content | 2 +- ...scss_50fc8c04e12a2f59027287995557ceff.json | 2 +- layouts/_default/baseof.html | 10 ++--- layouts/shortcodes/tabs.html | 2 +- 9 files changed, 57 insertions(+), 23 deletions(-) diff --git a/assets/_main.scss b/assets/_main.scss index c32d945..b8a0e5d 100644 --- a/assets/_main.scss +++ b/assets/_main.scss @@ -38,6 +38,10 @@ img { vertical-align: baseline; } +:focus { + @include outline; +} + aside nav ul { padding: 0; margin: 0; @@ -98,7 +102,6 @@ ul.pagination { nav { width: $menu-width; padding: $padding-16; - z-index: 1; background: $body-background; @include fixed; @@ -195,10 +198,8 @@ ul.pagination { @include spin(1s); } - #book-search-results { - small { - opacity: .5; - } + small { + opacity: 0.5; } } @@ -279,7 +280,7 @@ ul.pagination { li.active img, li:hover img { - opacity: 1; + opacity: initial; } a { @@ -304,10 +305,16 @@ aside nav, } @media screen and (max-width: $mobile-breakpoint) { + #menu-control, + #toc-control { + display: inline; + } + .book-menu { visibility: hidden; margin-inline-start: -$menu-width; font-size: $font-size-base; + z-index: 1; } .book-toc { @@ -318,7 +325,11 @@ aside nav, display: block; } - #menu-control:checked + main { + #menu-control:focus ~ main label[for="menu-control"] { + @include outline; + } + + #menu-control:checked ~ main { .book-menu { visibility: initial; } @@ -342,16 +353,22 @@ aside nav, } } + #toc-control:focus ~ main label[for="toc-control"] { + @include outline; + } + + #toc-control:checked ~ main { + .book-header aside { + display: block; + } + } + //for RTL support body[dir="rtl"] #menu-control:checked + main { .book-menu nav { transform: translateX(-$menu-width); } } - - #toc-control:checked + aside { - display: block; - } } // Extra space for big screens diff --git a/assets/_markdown.scss b/assets/_markdown.scss index e37ed8e..009473d 100644 --- a/assets/_markdown.scss +++ b/assets/_markdown.scss @@ -20,14 +20,14 @@ margin-bottom: $padding-16; a.anchor { - display: none; + opacity: 0; font-size: .75em; vertical-align: middle; text-decoration: none; } - &:hover a.anchor { - display: initial; + &:hover a.anchor, a.anchor:focus { + opacity: initial; } } diff --git a/assets/_shortcodes.scss b/assets/_shortcodes.scss index 62a8b90..7802078 100644 --- a/assets/_shortcodes.scss +++ b/assets/_shortcodes.scss @@ -59,6 +59,9 @@ input[type="radio"]:checked + label + .book-tabs-content { display: block; } + input[type="radio"]:focus + label { + @include outline + } } // {{< columns >}} diff --git a/assets/_utils.scss b/assets/_utils.scss index 01f1931..29ef1ca 100644 --- a/assets/_utils.scss +++ b/assets/_utils.scss @@ -54,6 +54,14 @@ display: none; } +input.toggle { + height: 0; + width: 0; + overflow: hidden; + opacity: 0; + position: absolute; +} + .clearfix::after { content: ""; display: table; @@ -76,3 +84,9 @@ overflow-x: hidden; overflow-y: auto; } + +@mixin outline { + outline-style: auto; + outline-color: currentColor; + outline-color: -webkit-focus-ring-color; +} diff --git a/exampleSite/config.toml b/exampleSite/config.toml index 424d320..3d51724 100644 --- a/exampleSite/config.toml +++ b/exampleSite/config.toml @@ -1,7 +1,7 @@ # hugo server --minify --themesDir ... --baseURL=http://0.0.0.0:1313/theme/hugo-book/ baseURL = 'https://example.com/' -title = 'Hugo Book' +title = 'Hugo Book having long site title' theme = 'hugo-book' # Book configuration diff --git a/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content b/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content index a44c5cb..99d483a 100644 --- a/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content +++ b/exampleSite/resources/_gen/assets/scss/book.scss_50fc8c04e12a2f59027287995557ceff.content @@ -1 +1 @@ -@charset "UTF-8";/*!normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css*/html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}.flex{display:flex}.flex-auto{flex:1 1 auto}.flex-even{flex:1 1}.flex-wrap{flex-wrap:wrap}.justify-start{justify-content:flex-start}.justify-end{justify-content:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.align-center{align-items:center}.mx-auto{margin:0 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