diff --git a/website/static/style.css b/website/static/style.css
index c93a346..ecda40b 100644
--- a/website/static/style.css
+++ b/website/static/style.css
@@ -954,6 +954,18 @@ th[data-sort].sort-asc::after {
   color: var(--footer-sep);
 }
 
+/* External link indicator for inline text links */
+.hero-sub a[target="_blank"]::after,
+.expand-desc a[target="_blank"]::after,
+.expand-also-see a[target="_blank"]::after,
+.footer a[target="_blank"]::after {
+  content: " \2197";
+  font-size: 0.7em;
+  opacity: 0.55;
+  text-decoration: none;
+  display: inline-block;
+}
+
 .noscript-msg {
   padding: 1rem var(--shell-pad) 0;
   text-align: center;