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Rollup merge of #130862 - zopsicle:patch-1, r=notriddle,GuillaumeGomez
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rustdoc: do not animate :target when user prefers reduced motion

This accessibility improvement gates #129284 behind an inverted [prefers-reduced-motion](https://developer.mozilla.org/en-US/docs/Web/CSS/`@media/prefers-reduced-motion)` media query.
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GuillaumeGomez authored Sep 26, 2024
2 parents 329f9fc + 5b58481 commit 432b1ff
Showing 1 changed file with 12 additions and 7 deletions.
19 changes: 12 additions & 7 deletions src/librustdoc/html/static/css/rustdoc.css
Original file line number Diff line number Diff line change
Expand Up @@ -1687,7 +1687,6 @@ instead, we check that it's not a "finger" cursor.
padding-right: 3px;
background-color: var(--target-background-color);
border-right: 3px solid var(--target-border-color);
animation: 0.65s cubic-bezier(0, 0, 0.1, 1.0) 0.1s targetfadein;
}

.code-header a.tooltip {
Expand All @@ -1712,12 +1711,18 @@ a.tooltip:hover::after {
content: "\00a0";
}

/* This animation is layered onto the mistake-proofing delay for dismissing
a hovered tooltip, to ensure it feels responsive even with the delay.
*/
.fade-out {
opacity: 0;
transition: opacity 0.45s cubic-bezier(0, 0, 0.1, 1.0);
@media not (prefers-reduced-motion) {
:target {
animation: 0.65s cubic-bezier(0, 0, 0.1, 1.0) 0.1s targetfadein;
}

/* This animation is layered onto the mistake-proofing delay for dismissing
a hovered tooltip, to ensure it feels responsive even with the delay.
*/
.fade-out {
opacity: 0;
transition: opacity 0.45s cubic-bezier(0, 0, 0.1, 1.0);
}
}

.popover.tooltip .content {
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