Examine source code of pabu2

{
  "name": "pabu2",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "pabu2.jpg"
    },
    "colors": {
      "frame": "rgba(80, 81, 99, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(143, 79, 79, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0090fb6a-a7d3-470c-9831-abba599ae9e8}"
    }
  }
}