Examine source code of Clean Violet

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Clean Violet",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(215, 189, 251)",
      "toolbar_text": "rgb(25, 25, 25)",
      "frame": "rgb(89, 89, 89)",
      "tab_background_text": "rgb(228, 227, 232)",
      "toolbar_field": "rgba(255, 255, 255, 0.69)",
      "toolbar_field_text": "rgb(106, 101, 173)",
      "tab_line": "rgb(183, 161, 214)",
      "popup": "rgb(133, 95, 180)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(183, 161, 214)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8ad623d6-aef9-4704-a270-a77f26285230}"
    }
  }
}