Examine source code of Pandora After Dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pandora After Dark",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(90, 0, 185)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 255, 117)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(2, 2, 157)",
      "tab_line": "rgb(0, 255, 117)",
      "popup": "rgb(103, 0, 255)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgb(45, 45, 248)",
      "button_background_hover": "rgb(151, 0, 255)",
      "icons_attention": "rgb(203, 181, 255)",
      "icons": "rgb(0, 255, 117)",
      "ntp_background": "rgb(147, 166, 233)",
      "sidebar_text": "rgb(206, 148, 255)",
      "tab_background_separator": "rgb(0, 201, 255)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(0, 255, 117)",
      "toolbar_field_separator": "rgb(0, 255, 117)",
      "toolbar_top_separator": "rgb(0, 255, 117)",
      "toolbar_vertical_separator": "rgb(0, 255, 117)",
      "tab_loading": "rgb(0, 255, 117)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3e750840-2dab-4e6a-b17a-a4c47f249f4c}"
    }
  }
}