Examine source code of Sunset Purple Majesty

{
  "name": "Sunset Purple Majesty",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(33, 14, 115, 1)",
      "tab_background_text": "rgba(255, 255, 0, 1)",
      "toolbar": "rgba(34, 14, 115, 0)",
      "bookmark_text": "rgba(255, 255, 0, 1)",
      "toolbar_field": "rgba(34, 14, 115, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 0, 1)",
      "tab_line": "rgba(255, 255, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8a2f3123-e90a-49d4-9512-dc1f3bec44d0}"
    }
  }
}