Examine source code of Blue Navy Fred

{
  "name": "Blue Navy Fred",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "ours yeux.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 0.88)",
      "tab_background_text": "rgba(255, 245, 64, 1)",
      "toolbar": "rgba(0, 3, 163, 1)",
      "bookmark_text": "rgba(255, 113, 25, 1)",
      "toolbar_field": "rgba(0, 1, 56, 1)",
      "toolbar_field_text": "rgba(87, 204, 230, 1)",
      "tab_line": "rgba(4, 250, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3efe86e7-1cf3-4ddd-bf4d-b4ae81426199}"
    }
  }
}