Examine source code of green gables solid

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "green gables",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(57, 91, 100)",
      "toolbar_text": "rgb(255, 249, 202)",
      "frame": "rgb(44, 51, 51)",
      "tab_background_text": "rgb(165, 201, 202)",
      "toolbar_field": "rgb(165, 201, 202)",
      "toolbar_field_text": "rgb(44, 51, 51)",
      "tab_line": "rgb(255, 249, 202)",
      "popup": "rgb(57, 91, 100)",
      "popup_text": "rgb(255, 249, 202)",
      "tab_loading": "rgb(255, 249, 202)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{09529f08-082b-4c74-a6af-67cf1b95ebdd}"
    }
  }
}