Examine source code of Dashing Purple 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dashing Purple",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(45, 8, 83)",
      "toolbar_text": "rgb(229, 203, 255)",
      "frame": "rgb(29, 5, 54)",
      "tab_background_text": "rgb(177, 150, 205)",
      "toolbar_field": "rgb(91, 61, 120)",
      "toolbar_field_text": "rgb(229, 203, 255)",
      "tab_line": "rgb(229, 203, 255)",
      "popup": "rgb(45, 8, 83)",
      "popup_text": "rgb(229, 203, 255)",
      "tab_loading": "rgb(229, 203, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6629e96e-b37a-4936-9b46-4e00e2f6cdcf}"
    }
  }
}