Examine source code of ageofdiscoverytry1

{
  "name": "ageofdiscoverytry1",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "ageofdiscovery.jpg"
    },
    "colors": {
      "frame": "rgba(161, 147, 24, 0)",
      "tab_background_text": "rgba(227, 196, 84, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_field": "rgba(79, 62, 2, 1)",
      "toolbar_field_text": "rgba(227, 196, 84, 1)",
      "tab_line": "rgba(5, 4, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{aa076d2d-5b37-4c89-8dfa-25c5d23fa4d5}"
    }
  }
}