diff --git a/docs/_static/style.css b/docs/_static/style.css
index 96d5ab0a6..0a0bf8756 100644
--- a/docs/_static/style.css
+++ b/docs/_static/style.css
@@ -894,11 +894,15 @@ dl.field-list {
   display: block;
 }
 
-/* internal references are forced to bold for some reason */
-a.reference.internal > strong {
+/* cross-references are forced to bold for some reason */
+a.reference > strong {
   font-weight: unset;
   font-family: var(--monospace-font-family);
 }
+a.reference.pep > strong,
+a.reference.rfc > strong {
+  font-family: inherit;
+}
 
 /* exception hierarchy */