Examine source code of Ardósia

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Slate",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(26, 53, 91)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(9, 26, 50)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(9, 26, 50)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(26, 53, 91)",
      "popup": "rgb(26, 53, 91)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(9, 26, 50)",
      "popup_border": "rgb(26, 53, 91)",
      "sidebar_border": "rgb(26, 53, 91)",
      "sidebar": "rgb(26, 53, 91)",
      "toolbar_field_highlight": "rgb(26, 53, 91)",
      "tab_loading": "rgb(26, 53, 91)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0383d996-7cff-40f3-9fb8-83019495405a}"
    }
  }
}