Examine source code of Taylor Swift

{
  "name": "Taylor Swift",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "13.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(183, 203, 232, 0.87)",
      "bookmark_text": "rgba(255, 0, 0, 1)",
      "toolbar_field": "rgba(232, 245, 150, 0.76)",
      "toolbar_field_text": "rgba(209, 81, 81, 1)",
      "tab_line": "rgba(136, 150, 150, 1)"
    }
  }
}