Examine source code of Moto morning

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Moto morning",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(72, 72, 72, 0.5)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(255, 240, 222)",
      "tab_background_text": "rgb(255, 103, 0)",
      "toolbar_field": "rgba(255, 255, 255, 0.8)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 103, 0)",
      "popup": "rgb(229, 229, 229)",
      "popup_text": "rgb(109, 48, 0)",
      "tab_loading": "rgb(255, 103, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{365b4c44-1995-4b5b-9c3f-53625b275a52}"
    }
  }
}