Examine source code of Light up the Night

{
  "theme": {
    "images": {
      "theme_frame": "LightinguptheNightHCustom.jpg"
    },
    "colors": {
      "frame": "#330000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Light up the Night",
  "manifest_version": 2,
  "description": "Painting by James Lee. cottage, windows, waterfall, flowers, trees, smoke, warm, home, light, house, night, comforting\n\nDesigned by MaDonna"
}