Examine source code of Abstract Artistic

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Abstract Artistic",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(0, 170, 255)",
      "toolbar_text": "rgb(234, 151, 80)",
      "frame": "rgb(205, 222, 20)",
      "tab_background_text": "rgb(226, 104, 36)",
      "toolbar_field": "rgb(189, 86, 160)",
      "toolbar_field_text": "rgb(255, 0, 0)",
      "tab_line": "rgb(0, 233, 255)",
      "popup": "rgb(48, 44, 168)",
      "popup_text": "rgb(255, 0, 228)",
      "tab_loading": "rgb(0, 233, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4a8f0589-6e8f-4566-8fb9-a3a825dfa0a6}"
    }
  }
}