Examine source code of Sunset Glimmer

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "sunsetglimmer",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 231, 196, 0.17)",
      "toolbar_text": "rgb(85, 13, 91)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(85, 13, 91)",
      "toolbar_field": "rgb(255, 254, 244)",
      "toolbar_field_text": "rgb(85, 13, 91)",
      "tab_line": "rgb(255, 254, 239)",
      "popup": "rgb(255, 254, 244)",
      "popup_text": "rgb(85, 13, 91)",
      "tab_loading": "rgb(255, 254, 239)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d742f7f1-090a-4bde-b45d-844e20795042}"
    }
  }
}