Examine source code of Nakano's Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Nakano's Theme",
  "author": "XxWirexX",
  "description": "Voici le thème des Nakano que XxWirexX a créé.",
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  },
  "theme": {
    "images": {
      "theme_frame": "img/nakano.jpg"
    },
    "colors": {
      "tab_background_text": "white",
      "tab_text": "white",
      "bookmark_text": "white",
      "button_background_active": "blue",
      "button_background_hover": "blue",
      "icons_attention": "yellow",
      "ntp_background": [
        90,
        84,
        255
      ],
      "ntp_text": "white",
      "popup": [
        50,
        53,
        230
      ],
      "popup_highlight": [
        90,
        84,
        255
      ],
      "popup_highlight_text": "white",
      "popup_text": "white",
      "sidebar": [
        50,
        53,
        230
      ],
      "sidebar_highlight": [
        90,
        84,
        255
      ],
      "sidebar_highlight_text": "white",
      "sidebar_text": "white",
      "toolbar_field_border": "white",
      "toolbar_field_highlight": [
        56,
        56,
        255
      ],
      "toolbar_field_highlight_text": "white"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{afd7ffc3-30e8-4a38-b271-c09bb82cf9a9}"
    }
  }
}