diff --git a/public/logo.png b/public/logo.png
new file mode 100644
index 0000000..5578ac5
Binary files /dev/null and b/public/logo.png differ
diff --git a/public/manifest.json b/public/manifest.json
index ef19ec2..a0e5794 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -3,13 +3,13 @@
   "name": "Create React App Sample",
   "icons": [
     {
-      "src": "favicon.ico",
-      "sizes": "64x64 32x32 24x24 16x16",
-      "type": "image/x-icon"
+      "src": "logo.png",
+      "sizes": "512x512 192x192 64x64 32x32 24x24 16x16",
+      "type": "image/png"
     }
   ],
   "start_url": "./index.html",
   "display": "standalone",
   "theme_color": "#000000",
-  "background_color": "#ffffff"
+  "background_color": "#3748AC"
 }
diff --git a/src/index.js b/src/index.js
index fae3e35..1c347d4 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,8 +1,8 @@
-import React from 'react';
-import ReactDOM from 'react-dom';
-import './index.css';
-import App from './App';
-import registerServiceWorker from './registerServiceWorker';
+import React from 'react'
+import ReactDOM from 'react-dom'
+import App from './App'
+import './index.css'
+import registerServiceWorker from './registerServiceWorker'
 
-ReactDOM.render(<App />, document.getElementById('root'));
-registerServiceWorker();
+ReactDOM.render(<App />, document.getElementById('root'))
+registerServiceWorker()