Examine source code of Sequoyah

{
  "theme": {
    "images": {
      "theme_frame": "firefox-skin-header-sequoyah.jpg"
    },
    "colors": {
      "frame": "#258212",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Sequoyah",
  "manifest_version": 2,
  "description": "Honoring the historic figure of \"Sequoyah\" alledged creator of the Cherokee syllabaric writing system."
}