Examine source code of Gorden Freeman

{
  "theme": {
    "images": {
      "theme_frame": "FirefoxOben.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#bac"
    }
  },
  "version": "2.0",
  "name": "Gorden Freeman",
  "manifest_version": 2,
  "description": "Half-Life, Half Life, HL, Half-Life 2, Half Life 2, HL2, Source, Counterstrike, Counter Strike, Counter-Strike, Counter-Strike: Source, Counterstrike: Source, Counter Strike: Source, Counter-Strike Source, Counterstrike Source, Counter Strike Source, Black Mesa, Black Mesa Source, Operation Black Mesa, Operation Black Mesa Source, Oppossing Force, Oppossing Force Source"
}