diff --git a/internal/service/static/main.css b/internal/service/static/main.css
index e1ac7b0..ce43734 100644
--- a/internal/service/static/main.css
+++ b/internal/service/static/main.css
@@ -136,7 +136,7 @@ body {
   border-bottom: 1px dashed var(--color-border-light);
 }
 
-.collapsible:last-of-type {
+.collapsible:last-child {
   border-bottom: none;
 }