Examine source code of BongoAwful

{
  "name": "BongoAwful",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "BongoAwful.png"
    },
    "colors": {
      "frame": "rgba(54, 57, 63, 1)",
      "tab_background_text": "rgba(87, 213, 217, 1)",
      "toolbar": "rgba(38, 38, 46, 1)",
      "bookmark_text": "rgba(203, 93, 240, 1)",
      "toolbar_field": "rgba(83, 83, 92, 1)",
      "toolbar_field_text": "rgba(87, 213, 217, 1)",
      "tab_line": "rgba(235, 233, 94, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{00e83271-6719-44b5-87ce-aac4f7ecc46c}"
    }
  }
}