Examine source code of Violet Sky

{
  "name": "Violet Sky",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "PurpleSunset.jpg"
    },
    "colors": {
      "frame": "rgba(60, 29, 84, 1)",
      "tab_background_text": "rgba(255, 214, 233, 1)",
      "toolbar": "rgba(235, 162, 196, 0.1)",
      "bookmark_text": "rgba(240, 209, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(255, 253, 235, 1)"
    }
  }
}