Examine source code of Fire Fox Green

{
  "name": "Fire Fox Green",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Firefox Green.png"
    },
    "colors": {
      "frame": "rgba(10, 156, 0, 1)",
      "tab_background_text": "rgba(67, 242, 44, 1)",
      "toolbar": "rgba(255, 255, 255, 0.61)",
      "bookmark_text": "rgba(39, 110, 26, 1)",
      "toolbar_field": "rgba(194, 255, 216, 1)",
      "toolbar_field_text": "rgba(4, 64, 0, 1)"
    }
  }
}