Examine source code of EzoExpressTrain183

{
  "name": "EzoExpressTrain183",
  "manifest_version": 2,
  "version": "11.0",
  "theme": {
    "images": {
      "theme_frame": "EET183-503.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(240, 240, 240, 1)",
      "bookmark_text": "rgba(50, 50, 50, 1)",
      "toolbar_field": "rgba(55, 55, 55, 1)",
      "toolbar_field_text": "rgba(235, 190, 29, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c52503fc-a8f0-4404-94d3-2fb6537eaa9d}"
    }
  }
}