Examine source code of Fireworks Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Fireworks Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(31, 34, 61)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(31, 34, 61)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgb(31, 34, 61)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(205, 35, 185)",
      "popup": "rgb(31, 34, 61)",
      "popup_text": "rgb(215, 226, 239)",
      "ntp_background": "rgb(33, 33, 33)",
      "tab_loading": "rgb(154, 101, 210)",
      "tab_selected": "rgb(173, 139, 208)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1174c04d-e438-44b9-84ba-fb186f4ae7b5}"
    }
  }
}