diff --git a/assets/css/style-reduced.css b/assets/css/style-reduced.css
index 6b08473..b6962f1 100644
--- a/assets/css/style-reduced.css
+++ b/assets/css/style-reduced.css
@@ -103,7 +103,7 @@ sup > a.footnote:before { /* different from modern syntax */
 sup > a.footnote:after {
 	content: "]";
 }
-li:target {
+li:target, sup:target {
 	background: #202040;
 }
 a.reversefootnote {
diff --git a/assets/css/style.css b/assets/css/style.css
index 552f670..82edfa3 100644
--- a/assets/css/style.css
+++ b/assets/css/style.css
@@ -192,7 +192,7 @@ sup > a.footnote::before {
 sup > a.footnote::after {
 	content: "]";
 }
-li:target {
+li:target, sup:target {
 	background: #202040;
 }
 a.reversefootnote {