Examine source code of disney princesas 2

{
  "name": "disney princesas 2",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "lattt.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(151, 87, 199, 0.38)",
      "toolbar_field": "rgba(113, 56, 140, 0.19)"
    }
  }
}