diff --git a/README.md b/README.md
index ca6c5a8a..5647511c 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,10 @@ To run this application in Firefox as a packaged app, open "Menu" -> "Developer"
 
 Run `gulp watch` to watch for file changes and automatically rebuild the app.
 
+#### Running in production
+
+Run `gulp clean`, then `gulp publish` to build the minimized production version of the app. Copy `dist` folder contents to your web server. Don't forget to set `X-Frame-Options SAMEORIGIN` header ([docs](https://developer.mozilla.org/en-US/docs/Web/HTTP/X-Frame-Options)).
+
 
 ### Third party libraries
 
diff --git a/app/index.html b/app/index.html
index 428768c0..5f76cf23 100644
--- a/app/index.html
+++ b/app/index.html
@@ -15,6 +15,12 @@
   <link rel="stylesheet" href="css/app.css"/>
   <!-- endbuild -->
 
+  <style>
+  html {
+    display: none;
+  }
+  </style>
+
   <!-- <link rel="stylesheet" href="css/font.css"/> -->
   <!-- <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,600&amp;subset=cyrillic,cyrillic-ext,latin,latin-ext" rel="stylesheet" type="text/css"> -->
 
diff --git a/app/less/app.less b/app/less/app.less
index 5c1e2bae..d434005e 100644
--- a/app/less/app.less
+++ b/app/less/app.less
@@ -3,7 +3,6 @@
 /* app common css */
 
 html {
-  display: none;
   background: #e7ebf0;
   overflow: visible;
 }
diff --git a/app/webogram.appcache b/app/webogram.appcache
index 9a0a5e8a..039e98f3 100644
--- a/app/webogram.appcache
+++ b/app/webogram.appcache
@@ -1,6 +1,6 @@
 CACHE MANIFEST
 
-# 64
+# 65
 
 NETWORK:
 *