Examine source code of Magic

{
  "name": "Magic",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "shader-minecraft.jpg"
    },
    "colors": {
      "frame": "rgba(188, 0, 235, 1)",
      "tab_background_text": "rgba(0, 221, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0.49)",
      "bookmark_text": "rgba(156, 25, 145, 1)",
      "toolbar_field": "rgba(173, 24, 161, 0.68)",
      "toolbar_field_text": "rgba(0, 255, 225, 1)"
    }
  }
}