diff --git a/src/css/preflight.css b/src/css/preflight.css
index 0464e90fb..e39110866 100644
--- a/src/css/preflight.css
+++ b/src/css/preflight.css
@@ -58,7 +58,7 @@ hr {
 Add the correct text decoration in Chrome, Edge, and Safari.
 */
 
-abbr[title] {
+abbr:where([title]) {
   text-decoration: underline dotted;
 }