diff --git a/publication/publication.ptx b/publication/publication.ptx
index c43ad650..3b114535 100644
--- a/publication/publication.ptx
+++ b/publication/publication.ptx
@@ -10,7 +10,7 @@
     </source>
     <html>
       <knowl exercise-inline="no" example="no" listing="yes" />
-      <css style="oscarlevin" colors="blue_red" toc="crc" banner="crc" navbar="crc" shell="crc"/>
+      <css theme="default-modern"/>
       <search variant="default" />
     </html>
     <numbering>
