diff --git a/src/css/style.css b/src/css/style.css
index 27460ef..0ddd28a 100644
--- a/src/css/style.css
+++ b/src/css/style.css
@@ -38,6 +38,10 @@ a:not(.nav-link) {
   @apply prose prose-slate mx-auto md:prose-lg lg:prose-xl dark:prose-invert prose-headings:font-normal prose-strong:text-inherit prose-li:marker:!text-inherit prose-img:rounded-3xl;
 }
 
+.footnote-item:target {
+  @apply bg-sky-100 dark:bg-sky-950;
+}
+
 abbr {
   text-decoration: none;