Examine source code of Bright Purple Customized

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Bright Purple Customized ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(31, 34, 61)",
      "toolbar_text": "rgb(200, 200, 250)",
      "frame": "rgb(8, 11, 33)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgb(54, 58, 89)",
      "toolbar_field_text": "rgb(200, 200, 250)",
      "tab_line": "rgb(100, 100, 150)",
      "popup": "rgb(31, 34, 61)",
      "popup_text": "rgb(215, 226, 239)",
      "tab_loading": "rgb(100, 100, 150)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4fe9c683-4468-4cf5-aefe-856487a0a605}"
    }
  }
}