diff --git a/site/assets/css/custom.css b/site/assets/css/custom.css
new file mode 100644
index 0000000..e2167f1
--- /dev/null
+++ b/site/assets/css/custom.css
@@ -0,0 +1,3 @@
+:root {
+    --link: light-dark(#005a9c, #8cc8ff);
+}
\ No newline at end of file
diff --git a/site/layouts/_partials/head.html b/site/layouts/_partials/head.html
index 96c4de6..68afe20 100644
--- a/site/layouts/_partials/head.html
+++ b/site/layouts/_partials/head.html
@@ -6,7 +6,7 @@
   <meta name="description" content="{{ .Description | plainify }}">
 {{- end }}
 
-{{- $styles := slice "css/vars.css" "css/syntax.css" "css/main.css" "css/nav.css" -}}
+{{- $styles := slice "css/vars.css" "css/syntax.css" "css/main.css" "css/nav.css" "css/custom.css" -}}
 {{- range $styles }}
   {{- with resources.Get . }}
     <link rel="stylesheet" href="{{ .RelPermalink }}">