Examine source code of Abalone Rainbow

{
  "theme": {
    "images": {
      "theme_frame": "abalonyblue.jpg"
    },
    "colors": {
      "frame": "#0ffcf0",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Abalone Rainbow",
  "manifest_version": 2,
  "description": "Rainbow\ncolorful\nabalone\nshells\npearl"
}