Examine source code of Forest Sunlight

{
  "theme": {
    "images": {
      "theme_frame": ".forestjpg.jpg"
    },
    "colors": {
      "frame": "#ffdd00",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Forest Sunlight",
  "manifest_version": 2,
  "description": "Sun shining through deep forest trees and golden fall foliage."
}