Examine source code of air_gear ringo ice

{
  "theme": {
    "images": {
      "theme_frame": "air_gearringo3000x200.jpg"
    },
    "colors": {
      "frame": "#1e5408",
      "tab_background_text": "#fce305"
    }
  },
  "version": "2.0",
  "name": "air_gear ringo ice",
  "manifest_version": 2,
  "description": "air gear"
}