Examine source code of bob2

{
  "name": "khalil",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "1.jpg"
    },
    "colors": {
      "frame": "rgba(34, 179, 89, 1)",
      "tab_background_text": "rgba(50, 194, 55, 0.56)",
      "toolbar": "rgba(46, 115, 176, 1)",
      "bookmark_text": "rgba(26, 140, 20, 1)",
      "toolbar_field": "rgba(18, 43, 201, 1)",
      "toolbar_field_text": "rgba(219, 173, 173, 1)",
      "tab_line": "rgba(204, 114, 114, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ea6a6ecd-3f70-48e2-a20e-deb78c612d21}"
    }
  }
}