Examine source code of EPICA FAN

{
  "name": "EPICA FAN",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "prieba 1.jpg"
    },
    "colors": {
      "frame": "rgba(39, 16, 54, 1)",
      "tab_background_text": "rgba(214, 214, 214, 1)",
      "toolbar": "rgba(141, 102, 156, 0.28)",
      "toolbar_field": "rgba(162, 168, 121, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  }
}