Examine source code of Poop Don

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Poop Don",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-035-ec6e2e3635b86a13a7ebee9a1390e7e7.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(122, 40, 170)",
      "toolbar_text": "rgb(122, 205, 255)",
      "frame": "rgb(241, 137, 0)",
      "tab_background_text": "rgb(0, 0, 255)",
      "toolbar_field": "rgb(249, 192, 249)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(230, 230, 230)",
      "popup_text": "rgb(60, 185, 193)",
      "tab_loading": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3eeec570-6db3-496b-8bb9-7a6e7d930860}"
    }
  }
}