Examine source code of Black Stars

{
  "name": "Black Stars",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "PicsArt_02-13-06.15.00.jpg"
    },
    "colors": {
      "frame": "rgba(255, 5, 34, 1)",
      "tab_background_text": "rgba(46, 13, 13, 1)",
      "bookmark_text": "rgba(46, 38, 38, 1)",
      "toolbar_field": "rgba(128, 51, 51, 1)",
      "toolbar_field_text": "rgba(224, 16, 16, 1)"
    }
  }
}