Examine source code of big function

{
  "name": "big function",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "life2.JPG"
    },
    "colors": {
      "frame": "rgba(39, 76, 163, 1)",
      "tab_background_text": "rgba(196, 129, 129, 1)",
      "toolbar": "rgba(191, 160, 160, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(73, 69, 161, 1)",
      "toolbar_field_text": "rgba(102, 94, 171, 1)",
      "tab_line": "rgba(43, 92, 35, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b9913cbb-3aa2-493b-b69b-780d3326c162}"
    }
  }
}