Examine source code of Ryo Green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ryo Green",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(44, 37, 37)",
      "toolbar_text": "rgb(247, 241, 255)",
      "frame": "rgb(64, 56, 56)",
      "tab_background_text": "rgb(247, 241, 255)",
      "toolbar_field": "rgb(33, 28, 28)",
      "toolbar_field_text": "rgb(247, 241, 255)",
      "tab_line": "rgb(123, 216, 143)",
      "popup": "rgb(44, 37, 37)",
      "popup_text": "rgb(247, 241, 255)",
      "icons": "rgb(123, 216, 143)",
      "tab_text": "rgb(247, 241, 255)",
      "tab_loading": "rgb(123, 216, 143)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{05cecf93-d3bc-4bae-b34a-2ea157b5d260}"
    }
  }
}