Examine source code of Pastel Clean

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pastel Clean ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(206, 159, 255)",
      "toolbar_text": "rgb(19, 3, 28)",
      "frame": "rgb(213, 253, 236)",
      "tab_background_text": "rgb(40, 111, 56)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(178, 59, 195)",
      "tab_line": "rgb(56, 128, 139)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(98, 102, 183)",
      "tab_loading": "rgb(56, 128, 139)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2a5dd2f5-65d5-4dda-88ac-440527af566d}"
    }
  }
}