diff --git a/README.md b/README.md
index 850bfca..ba619d2 100644
--- a/README.md
+++ b/README.md
@@ -219,6 +219,7 @@ You shoud make your own menu.
 
 ```bash
 description = "The Zzo theme for Hugo example site."
+custom_css = ["css/foo.css", "css/bar.css"]
 
 # body
 enableToc = true
diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index fae48e5..e1f1df5 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -25,6 +25,7 @@ rssLimit = 100
 
 [params]
   description = "The Zzo theme for Hugo example site."
+  custom_css = []
 
   # body
   enableToc = true
diff --git a/layouts/partials/head/styles.html b/layouts/partials/head/styles.html
index 2ae9045..445f7be 100644
--- a/layouts/partials/head/styles.html
+++ b/layouts/partials/head/styles.html
@@ -2,3 +2,7 @@
 {{ $main_template := resources.Get "sass/main.scss" }}
 {{ $main_style := $main_template | resources.ExecuteAsTemplate "main_parsed.scss" . | toCSS $main_options | minify }}
 <link rel="stylesheet" href="{{ $main_style.RelPermalink }}">
+
+{{ range .Site.Params.custom_css -}}
+<link rel="stylesheet" href="{{ . | absURL }}">
+{{- end }}
\ No newline at end of file