diff --git a/style.css b/style.css
index d663754..d93af54 100644
--- a/style.css
+++ b/style.css
@@ -1,3 +1,5 @@
+/* stolen from here: https://markdowncss.github.io/retro/ */
+
 pre,
 code {
   font-family: Menlo, Monaco, "Courier New", monospace;