Examine source code of Pastel rose clean

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pastel rose clean",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-020-48c286b34e53380d46803c2e5603a5b2.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 217, 239)",
      "toolbar_text": "rgb(199, 108, 173)",
      "frame": "rgb(213, 253, 236)",
      "tab_background_text": "rgb(199, 108, 173)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(7, 7, 7)",
      "tab_line": "rgb(56, 128, 139)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 135, 172)",
      "tab_loading": "rgb(56, 128, 139)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{47a873e3-1546-4b4e-ac5c-5be505bf3c38}"
    }
  }
}