Examine source code of Colorways Expressionist

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Colorways Expressionist",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(251, 224, 142)",
      "toolbar_text": "rgb(13, 13, 13)",
      "frame": "rgb(241, 201, 80)",
      "tab_background_text": "rgb(12, 13, 12)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(241, 201, 80)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ff2906be-461d-4eec-9e43-a076cdfea00e}"
    }
  }
}