diff --git a/style.css b/style.css
index 79e1dda..c895e81 100644
--- a/style.css
+++ b/style.css
@@ -191,7 +191,7 @@ body {
   margin: 0 auto;
   padding: 2rem 1.25rem;
 
-  counter-reset: theorem definition sidenote-counter;
+  counter-reset: theorem definition sidenote-counter figcaption caption;
 
   color: var(--body-color);
   background-color: var(--body-bg-color);