Examine source code of omerien's theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "omerien's theme",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(207, 206, 167)",
      "toolbar_text": "rgb(74, 165, 237)",
      "frame": "rgb(73, 185, 59)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(70, 139, 34)",
      "tab_line": "rgb(19, 110, 183)",
      "popup": "rgb(218, 230, 213)",
      "popup_text": "rgb(59, 144, 210)",
      "tab_loading": "rgb(19, 110, 183)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0c985d90-0a18-4e2b-8b02-3ea3d967887b}"
    }
  }
}