diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index 57cdd09..7d10194 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -1 +1,4 @@
 <!-- Keep - override to add code to <header /> tag -->
+{{ range .Site.Params.custom_css -}}
+    <link rel="stylesheet" href="{{ . | absURL }}">
+{{- end }}