Examine source code of Braceface Cartoon

{
  "name": "Braceface Cartoon",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Braceface Header for Firefox.png"
    },
    "colors": {
      "frame": "rgba(46, 0, 44, 0.85)",
      "tab_background_text": "rgba(240, 136, 226, 1)",
      "toolbar": "rgba(255, 255, 255, 0)",
      "bookmark_text": "rgba(240, 24, 211, 1)",
      "toolbar_field": "rgba(245, 171, 233, 0.25)",
      "toolbar_field_text": "rgba(20, 20, 20, 1)",
      "tab_line": "rgba(230, 25, 172, 0.73)"
    }
  }
}