Examine source code of Pink Softie

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pink Softie",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom",
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(247, 216, 231)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(236, 197, 231)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(249, 237, 248, 0)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(242, 218, 239)",
      "popup": "rgb(247, 216, 231)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(242, 218, 239)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1cb8b9f2-dec9-4799-ab0a-bd00307700f4}"
    }
  }
}