Examine source code of Catrinavioleta

{
  "name": "Catrina",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "catrina.jpg"
    },
    "colors": {
      "toolbar": "rgba(10, 9, 9, 0.6)",
      "toolbar_field": "rgba(140, 132, 132, 1)",
      "toolbar_field_text": "rgba(205, 80, 209, 1)",
      "frame": "rgba(131, 45, 224, 1)",
      "tab_background_text": "rgba(193, 138, 230, 0.75)",
      "bookmark_text": "rgba(206, 131, 219, 1)"
    }
  }
}