Examine source code of Abstract Aurora

{
  "name": "Abstract Aurora",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "AuroraH.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(20, 246, 250, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(20, 246, 250, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac5a9a97-55d9-420b-8645-f5129cbbf7b8}"
    }
  }
}