Examine source code of Foxzilla-eightzilla

{
  "name": "Foxzilla-eightzilla",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "firefix-580x356.jpg"
    },
    "colors": {
      "frame": "rgba(57, 163, 8, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(218, 230, 85, 0)",
      "toolbar_field": "rgba(105, 230, 9, 0.23)"
    }
  }
}