Examine source code of fireorangex

{
  "name": "fireorangex",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "macbook-air-1920x1080-abstract-orange-20834.jpeg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(255, 111, 0, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 177, 41, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(255, 68, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{83f2748f-615d-4a61-93a1-378dde45039a}"
    }
  }
}