Examine source code of perico

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "perico",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 43, 40)",
      "toolbar_text": "rgb(254, 202, 34)",
      "frame": "rgb(58, 75, 94)",
      "tab_background_text": "rgb(238, 217, 196)",
      "toolbar_field": "rgb(177, 212, 0)",
      "toolbar_field_text": "rgb(32, 0, 46)",
      "tab_line": "rgb(254, 202, 34)",
      "popup": "rgb(58, 94, 90)",
      "popup_text": "rgb(254, 202, 34)",
      "tab_loading": "rgb(254, 202, 34)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0a5c6629-e36e-44ab-8a7f-fe0e6fe6e2eb}"
    }
  }
}