Racing cars Background

manifest.json

{
  "version": "1.0.0",
  "browser_action": {
    "default_icon": "picto/48.png",
    "default_title": "Racing cars Background"
  },
  "chrome_url_overrides": {
    "newtab": "wall.html"
  },
  "description": "Wallpapers and Backgrounds in browser homepage",
  "icons": {
    "19": "picto/19.png",
    "48": "picto/48.png",
    "128": "picto/128.png"
  },
  "manifest_version": 2,
  "name": "Racing cars Background",
  "offline_enabled": true,
  "update_url": "https://clients2.google.com/service/update2/crx",
  "web_accessible_resources": [
    "wall.html"
  ]
}