Examine source code of Starblazers

{
  "name": "Starblazers",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Starblazers frame.jpg"
    },
    "colors": {
      "frame": "rgba(212, 30, 30, 0.84)",
      "tab_background_text": "rgba(235, 232, 29, 0.5)",
      "toolbar": "rgba(214, 34, 37, 0.5)",
      "bookmark_text": "rgba(255, 255, 255, 0.66)",
      "toolbar_field": "rgba(242, 200, 198, 0.44)",
      "toolbar_field_text": "rgba(255, 255, 255, 0.71)",
      "tab_line": "rgba(214, 58, 58, 0.59)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd919c5c-c4d2-4cdc-8df5-e12f6fe6f91b}"
    }
  }
}