From 9a0c685c163b29b7dd7fc21fb1a6b9093c991047 Mon Sep 17 00:00:00 2001
From: zopsicle <50083900+zopsicle@users.noreply.github.com>
Date: Thu, 26 Sep 2024 01:44:06 +0200
Subject: [PATCH] rustdoc: do not animate :target when user prefers reduced
 motion

This accessibility improvement gates #129284 behind an inverted
prefers-reduced-motion media query.
---
 src/librustdoc/html/static/css/rustdoc.css | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index ae9727a4d4f57..ff53566b53f3f 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -1687,7 +1687,12 @@ 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;
+}
+
+@media not (prefers-reduced-motion) {
+	:target {
+		animation: 0.65s cubic-bezier(0, 0, 0.1, 1.0) 0.1s targetfadein;
+	}
 }
 
 .code-header a.tooltip {