diff --git a/build/build-css.js b/build/build-css.js
new file mode 100644
index 00000000..48732d2c
--- /dev/null
+++ b/build/build-css.js
@@ -0,0 +1,20 @@
+var fs = require('fs')
+var cssnano = require('cssnano').process
+var resolve = require('path').resolve
+
+var save = function (file, content) {
+ fs.writeFileSync(resolve(__dirname, '../lib/themes/', file), content)
+}
+var load = function (file) {
+ return fs.readFileSync(resolve(__dirname, '../themes/', file)).toString()
+}
+
+var list = fs.readdirSync(resolve(__dirname, '../themes'))
+
+list.forEach(function (file) {
+ cssnano(load(file))
+ .then(function (result) {
+ save(file, result.css)
+ console.log('cssnao - ' + file)
+ })
+})
diff --git a/docs/404.html b/docs/404.html
index cfbd7334..cd67d914 100644
--- a/docs/404.html
+++ b/docs/404.html
@@ -5,7 +5,7 @@
Docsify
-
+