Examine source code of purple and black theme

{
  "name": "purple and black",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "62053.png"
    },
    "colors": {
      "frame": "rgba(140, 20, 252, 1)",
      "tab_background_text": "rgba(0, 0, 0, 0)",
      "toolbar": "rgba(59, 0, 107, 1)",
      "bookmark_text": "rgba(140, 20, 252, 1)",
      "toolbar_field": "rgba(119, 0, 143, 1)",
      "toolbar_field_text": "rgba(192, 0, 230, 1)",
      "tab_line": "rgba(157, 20, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8f5cb1a8-14ea-465c-86c7-5ba6597e9f65}"
    }
  }
}