Examine source code of Feel Good wolf

{
  "theme": {
    "images": {
      "theme_frame": "banner.jpg"
    },
    "colors": {
      "frame": "#590000",
      "tab_background_text": "#6e0000"
    }
  },
  "version": "2.0",
  "name": "Feel Good wolf",
  "manifest_version": 2,
  "description": "the feel good wolf [aka gasmaks wearing canines] with korn's lyrics at the bottom"
}