Examine source code of deckerstar

{
  "name": "deckerstar",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "photo_2021-01-30_13-00-42.jpg"
    },
    "colors": {
      "frame": "rgba(145, 0, 255, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(213, 150, 255, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(173, 79, 255, 1)"
    }
  }
}