diff --git a/.env b/.env
index ddcd1e5..3d6d6f7 100644
--- a/.env
+++ b/.env
@@ -1,2 +1,2 @@
-RADAR_NAME=AOE Technology Radar
+REACT_APP_RADAR_NAME=AOE Technology Radar
 PUBLIC_URL=/techradar
\ No newline at end of file
diff --git a/README.md b/README.md
index 4c5cf4d..53416cc 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ cp -r build techradar
 You can customize the following parts of the tech radar.
 
 ### Change title, description and headline
-Set the environment variable `RADAR_NAME`. The default is "AOE Technology Radar".
+Set the environment variable `REACT_APP_RADAR_NAME`. The default is "AOE Technology Radar".
 
 ### Host the application under a sub path
 To host the application under a sub path, set the environment variable `PUBLIC_URL`, e.g. "/techradar".
diff --git a/dist_scripts/src/config.js b/dist_scripts/src/config.js
index fb7c270..4167c1a 100644
--- a/dist_scripts/src/config.js
+++ b/dist_scripts/src/config.js
@@ -1,7 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.assetUrl = exports.isMobileViewport = exports.translate = exports.showEmptyRings = exports.getItemPageNames = exports.rings = exports.quadrants = exports.radarNameShort = exports.radarName = void 0;
-exports.radarName = process.env.RADAR_NAME || "AOE Technology Radar";
+exports.radarName = process.env.REACT_APP_RADAR_NAME || "AOE Technology Radar";
 exports.radarNameShort = exports.radarName;
 exports.quadrants = [
     "languages-and-frameworks",
diff --git a/dist_scripts/src/model.js b/dist_scripts/src/model.js
index 32c7836..bb15587 100644
--- a/dist_scripts/src/model.js
+++ b/dist_scripts/src/model.js
@@ -16,9 +16,15 @@ var __spreadArray = (this && this.__spreadArray) || function (to, from) {
     return to;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.getFirstLetter = exports.groupByFirstLetter = exports.groupByQuadrants = exports.featuredOnly = void 0;
-var featuredOnly = function (items) { return items.filter(function (item) { return item.featured; }); };
+exports.getFirstLetter = exports.groupByFirstLetter = exports.groupByQuadrants = exports.unfeaturedOnly = exports.featuredOnly = void 0;
+var featuredOnly = function (items) {
+    return items.filter(function (item) { return item.featured; });
+};
 exports.featuredOnly = featuredOnly;
+var unfeaturedOnly = function (items) {
+    return items.filter(function (item) { return !item.featured; });
+};
+exports.unfeaturedOnly = unfeaturedOnly;
 var groupByQuadrants = function (items) {
     return items.reduce(function (quadrants, item) {
         var _a;
@@ -52,5 +58,7 @@ var addItemToRing = function (ring, item) {
     if (ring === void 0) { ring = []; }
     return __spreadArray(__spreadArray([], ring), [item]);
 };
-var getFirstLetter = function (item) { return item.title.substr(0, 1).toUpperCase(); };
+var getFirstLetter = function (item) {
+    return item.title.substr(0, 1).toUpperCase();
+};
 exports.getFirstLetter = getFirstLetter;
diff --git a/package.json b/package.json
index c40c5e2..0f61ce0 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
   },
   "scripts": {
     "prepare": "husky install && yarn build:scripts",
+    "start": "react-scripts start",
     "build": "react-scripts build",
     "build:scripts": "tsc --project tsconfig.scripts.json",
     "test": "react-scripts test",
diff --git a/public/index.html b/public/index.html
index 9b39235..7dfff6a 100644
--- a/public/index.html
+++ b/public/index.html
@@ -4,15 +4,15 @@
     <meta charset="utf-8" />
     <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
     <meta name="theme-color" content="#000000" />
-    <meta name="description" content="%RADAR_NAME%" />
+    <meta name="description" content="%REACT_APP_RADAR_NAME%" />
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo.svg" />
-    <meta property="og:title" content="%RADAR_NAME%" />
+    <meta property="og:title" content="%REACT_APP_RADAR_NAME%" />
     <meta property="og:image" content="%PUBLIC_URL%/logo.svg" />
 
     <meta name="format-detection" content="telephone=no" />
     <meta name="viewport" content="width=device-width, maximum-scale=1.0, initial-scale=1.0, user-scalable=0" />
 
-    <title>%RADAR_NAME%</title>
+    <title>%REACT_APP_RADAR_NAME%</title>
   </head>
 
   <body>
diff --git a/src/config.js b/src/config.js
deleted file mode 100644
index b33b897..0000000
--- a/src/config.js
+++ /dev/null
@@ -1,35 +0,0 @@
-export var radarName = process.env.RADAR_NAME || 'AOE Technology Radar';
-export var radarNameShort = radarName;
-export var quadrants = [
-    'languages-and-frameworks',
-    'methods-and-patterns',
-    'platforms-and-aoe-services',
-    'tools',
-];
-export var rings = [
-    'all',
-    'adopt',
-    'trial',
-    'assess',
-    'hold'
-];
-export var getItemPageNames = function (items) { return items.map(function (item) { return item.quadrant + "/" + item.name; }); };
-export var showEmptyRings = false;
-var messages = {
-    'languages-and-frameworks': 'Languages & Frameworks',
-    'methods-and-patterns': 'Methods & Patterns',
-    'platforms-and-aoe-services': 'Platforms and Operations',
-    'tools': 'Tools',
-};
-export var translate = function (key) { return (messages[key] || '-'); };
-export function isMobileViewport() {
-    // return false for server side rendering
-    if (typeof window == 'undefined')
-        return false;
-    var width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
-    return width < 1200;
-}
-export function assetUrl(file) {
-    return process.env.PUBLIC_URL + '/' + file;
-    // return `/techradar/assets/${file}`
-}
diff --git a/src/config.ts b/src/config.ts
index 9980bf0..95a3a00 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,6 +1,7 @@
 import { Item } from "./model";
 
-export const radarName = process.env.RADAR_NAME || "AOE Technology Radar";
+export const radarName =
+  process.env.REACT_APP_RADAR_NAME || "AOE Technology Radar";
 export const radarNameShort = radarName;
 
 export const quadrants = [
diff --git a/src/index.css b/src/index.css
deleted file mode 100644
index ec2585e..0000000
--- a/src/index.css
+++ /dev/null
@@ -1,13 +0,0 @@
-body {
-  margin: 0;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
-    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
-    sans-serif;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
-
-code {
-  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
-    monospace;
-}