diff options
author | Alex Shpak <alex-shpak@users.noreply.github.com> | 2020-07-07 23:06:21 +0200 |
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committer | Alex Shpak <alex-shpak@users.noreply.github.com> | 2020-07-07 23:06:21 +0200 |
commit | bf93dafdfa6b1c3977e25d093527f40a058f114d (patch) | |
tree | 715837df621208eae090b7acc0a28d8613f5eb20 /assets | |
parent | f416a71bf8bb77e7af9ade9eea7fe3b662962290 (diff) |
Improve accessibility and keyboard navigation
Diffstat (limited to 'assets')
-rw-r--r-- | assets/_main.scss | 39 | ||||
-rw-r--r-- | assets/_markdown.scss | 6 | ||||
-rw-r--r-- | assets/_shortcodes.scss | 3 | ||||
-rw-r--r-- | assets/_utils.scss | 14 |
4 files changed, 48 insertions, 14 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; +} |