mirror of
https://git.sr.ht/~seirdy/seirdy.one
synced 2024-11-10 08:12:11 +00:00
237 lines
6.2 KiB
CSS
237 lines
6.2 KiB
CSS
/* CSS that adds the bare minimum for a simple layout.
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* Nothing here exists purely for aesthetics except the unstyled-list;
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* everything else addresses a specific a11y, compatibility, or critical
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* usability need.
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* I also don't define any non-semantic classes besides unstyled-list.
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* The the other classnames referenced here are from microformats2. */
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/* Start with browser defaults: default fonts, non-dark-mode colors, etc
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* Only change things to solve a specific a11y or significant usability
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* need. One exception: cosmetic improvement for unstyled-list */
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html {
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/* Mobile screens benefit from greater line-spacing so links are
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* further apart. Dyslexic users prefer the spacing too.
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* <100dpi screens: sans-serif is better. Why did browsers settle
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* on serif being the default?? */
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font: 100%/1.5 sans-serif;
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/* Aligning to the center with space on both sides prevents accidental
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* link activation on mobile devices. */
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margin: auto;
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}
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/* WCAG recommends a max line width. Not everyone can resize the
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* viewport.
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* This should not take effect on printouts, to save paper. */
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@media screen {
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/* 45em is the lowest reasonable width for titles, nav, footers, etc */
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html {
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max-width: 45em;
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padding: 0 2%;
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}
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/* 45em is too wide for long body text. */
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.e-content {
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margin: auto;
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max-width: 38em;
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}
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}
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/* narrow screens: reduce margin for blockquotes a lot, using
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* a thick left-side border instead. */
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blockquote {
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border-left: 4px solid #aaa;
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margin: 0;
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padding-left: 0.8em;
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}
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/* narrow screens: reduce list indentation */
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dd,
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ol,
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ul {
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margin: 0;
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padding-left: 1.5em;
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}
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/* Narrow screens: allow hyphenating titles
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* I can't add soft hyphens to these. */
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h1 {
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hyphens: auto;
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}
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/* Very narrow screens: full hyphenation */
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@media (max-width: 180px) {
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article,
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h2,
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h3 {
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hyphens: auto
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}
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}
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/* single-line nav on widescreen and print.
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* Single-line nav on print saves almost half a page. */
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@media print, (min-width: 32em) {
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header nav li {
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display: inline;
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/* inline-end doesn't work in netsurf. -right should stil make sense
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* in RTL machine translation, it'll just look a bit indented. */
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padding-right: 0.5em;
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}
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}
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/* WCAG guidelines recommend signalling the current page.
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* <kbd> should be distinguished from <code> and surrounding text
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* in a way beyond font-face; at least two visual distinctions needed */
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a[aria-current="page"],
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kbd {
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font-weight: bold;
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}
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/* narrow screens: remove unused figure margins for text figures. */
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figure {
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margin: 0;
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}
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/* figcaptions should be distinct from surrounding paragraphs tho */
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figure:not([itemtype]) figcaption {
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margin: 0 10%;
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}
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/* Mobile optimization: nav links are tappable with fat fingers */
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nav li,
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.unstyled-list li {
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margin-bottom: 0.5em;
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}
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/* Lists without bullets: navlinks, posts lists, webmentions.
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* Those three are lists whose items are already easily distinguishable,
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* rendering bullet points as unnecessary extra visual noise. Pretty
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* much the only purely-aesthetic change in this CSS file. */
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.unstyled-list {
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padding: 0;
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}
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.unstyled-list li {
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list-style-type: none;
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}
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/* browsers make monospace small and unreadable for some dumb legacy
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* reason and this somehow fixes that without overriding the user's
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* font size preferences. */
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code,
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kbd,
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samp {
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font-family: monospace, monospace;
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}
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/* Narrow screens: long words can cause content to flow out of the
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* viewport, triggering horizontal scrolling. Allow breaking words in
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* content I don't control (comments). For content I do control, I just
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* add soft hyphens to the HTML. */
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.u-comment,
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:not(pre) > code {
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overflow-wrap: break-word;
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/* borders shouldn't touch text */
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padding: 0 0.1em;
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}
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/* Narrow screens: allow horizontal scroll in a pre block. */
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pre {
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overflow: auto;
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padding: 0.5em;
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}
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/* Distinguish images from the background in case their color is
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* too similar to the page background color. Also put a border around
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* <pre> and <code> to distinguish them in ways besides font-family. The
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* use of borders in place of background colors for distinguishing
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* elements is an officially documented WCAG technique. */
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img,
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pre,
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:not(pre) > code {
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border: 1px solid;
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}
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/* A black border is too harsh. */
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:not(pre) > code {
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border-color: #aaa;
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}
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/* center images that aren't my indieweb icon; same justification as
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* for centering the body contents. Also makes images easier to see
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* for people holding a device with one hand. */
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img:not(.u-photo) {
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display: block;
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height: auto;
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margin: auto;
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max-width: 100%;
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}
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/* WCAG Technique C25: use borders to separate sections.
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* Also use "content-visibility: auto" to improve performance by
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* reducing the number of DOM nodes rendered at once. */
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footer,
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section[role="doc-endnotes"] {
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border-top: 1px solid;
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content-visibility: auto;
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}
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/* same as above */
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article header {
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border-bottom: 1px solid;
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/* padding ensures the border can't be mistaken for an underline */
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padding-bottom: 1em;
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}
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/* Some browser focus indicators are inaccessible; override them with
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* something more visible. See WCAG 2.x SC 2.4.12. I also tried to
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* match browser behavior; mainstream browsers use :focus-visible
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* instead of focus but older/simpler browsers only support :focus.
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* I borrowed these directives from
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* https://www.tempertemper.net/blog/refining-focus-styles-with-focus-visible
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* */
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/* For browsers that don't support :focus-visible */
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a:focus,
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[tabindex]:focus {
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outline: 3px solid;
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}
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/* Remove :focus styling for browsers that do support :focus-visible */
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@supports selector(:focus-visible) {
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a:focus:not(:focus-visible),
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[tabindex]:focus:not(:focus-visible) {
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outline: none;
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}
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}
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/* Add focus styling back in browsers that do support :focus-visible */
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:focus-visible {
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outline: 3px solid;
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}
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.skip {
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position: absolute;
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top: -2em;
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left: .25em;
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color: #00e;
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background-color: #fff;
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}
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.skip:focus {
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top: .5em;
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}
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/* Todo:
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* - Some browsers don't scale SVGs properly; the img container
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* dimensions crop the image rather than scale it. Investigate
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* if this only applies to Internet Explorer or if it applies to
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* other uncommon browsers too. If any non-IE browsers do this and/or
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* if the spec allows this behavior, try to correct it here.
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* - Wait till Webkit fixes its broken-ass default dark stylesheet
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* then consider trimming the dark stylesheet I provide.
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* */
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