diff --git a/github-fixup.css b/css/github-fixup.css
similarity index 100%
rename from github-fixup.css
rename to css/github-fixup.css
diff --git a/github-markdown.css b/css/github-markdown.css
similarity index 100%
rename from github-markdown.css
rename to css/github-markdown.css
diff --git a/main.go b/main.go
index eee995b..a5eef3a 100644
--- a/main.go
+++ b/main.go
@@ -25,10 +25,10 @@ import (
 	"github.com/yuin/goldmark/renderer/html"
 )
 
-//go:embed github-markdown.css
+//go:embed css/github-markdown.css
 var githubStyle string
 
-//go:embed github-fixup.css
+//go:embed css/github-fixup.css
 var githubFixup string
 
 type builder struct {