Examine source code of Lent

{
  "name": "Lent",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Captura de pantalla 2019-03-14 18.34.31.jpg"
    },
    "colors": {
      "toolbar": "rgba(91, 0, 97, 1)",
      "toolbar_field": "rgb(252, 150, 171)",
      "toolbar_field_text": "rgba(91, 0, 97, 1)",
      "frame": "rgb(146, 0, 130)",
      "tab_background_text": "rgb(252, 150, 171)",
      "bookmark_text": "rgb(252, 150, 171)"
    }
  }
}