diff --git a/specifyweb/frontend/js_src/css/main.css b/specifyweb/frontend/js_src/css/main.css
index c2d7e872bf4..f0690849eb2 100644
--- a/specifyweb/frontend/js_src/css/main.css
+++ b/specifyweb/frontend/js_src/css/main.css
@@ -221,6 +221,10 @@
     @apply top-0;
   }
 
+  optgroup {
+    @apply font-bold;
+  }
+
 }
 
 /**