Examine source code of Dark Purple

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Dark Purple",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(71, 62, 103)",
      "toolbar_text": "rgb(246, 235, 255)",
      "frame": "rgb(25, 20, 56)",
      "tab_background_text": "rgb(0, 200, 158)",
      "toolbar_field": "rgb(25, 20, 56)",
      "toolbar_field_text": "rgb(0, 200, 158)",
      "tab_line": "rgba(0, 200, 158, 0.5)",
      "popup": "rgb(25, 20, 56)",
      "popup_text": "rgb(0, 200, 158)",
      "tab_loading": "rgba(0, 200, 158, 0.5)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{01315588-9ac2-4044-95c6-91ee23081a0f}"
    }
  }
}