Examine source code of Neat Green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Neat Green",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(5, 72, 21)",
      "toolbar_text": "rgb(184, 251, 239)",
      "frame": "rgb(127, 245, 183)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 9, 255)",
      "tab_line": "rgb(34, 0, 255)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(98, 102, 183)",
      "icons_attention": "rgb(255, 59, 62)",
      "icons": "rgb(255, 255, 255)",
      "tab_loading": "rgb(34, 0, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b79c6999-2e7e-4f50-8b77-941dc64c7c3e}"
    }
  }
}