Examine source code of Orange craziness

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Orange life",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 151, 0)",
      "toolbar_text": "rgb(255, 240, 193)",
      "frame": "rgb(255, 167, 20)",
      "tab_background_text": "rgb(131, 48, 0)",
      "toolbar_field": "rgb(249, 255, 195)",
      "toolbar_field_text": "rgb(255, 90, 0)",
      "tab_line": "rgb(0, 145, 255)",
      "popup": "rgb(255, 240, 193)",
      "popup_text": "rgb(255, 90, 0)",
      "tab_loading": "rgb(0, 145, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{637a205a-6550-4755-9c0f-c037b83c8ac7}"
    }
  }
}