Examine source code of Green_blue spring

{
  "theme": {
    "images": {
      "theme_frame": "Spring200.jpg"
    },
    "colors": {
      "frame": "#80a8a1",
      "tab_background_text": "#040614"
    }
  },
  "version": "2.0",
  "name": "Green_blue spring",
  "manifest_version": 2,
  "description": "spring , green , blue , sky"
}