Examine source code of Rainy Night

{
  "theme": {
    "images": {
      "theme_frame": "rainydayheader.jpg"
    },
    "colors": {
      "frame": "#1a1818",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Rainy Night",
  "manifest_version": 2,
  "description": "Rainy night on the glass windshield with lots of traffic light and business sign colors."
}