Examine source code of BlueSteel23

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue Steel",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgba(14, 14, 14, 0.75)",
      "toolbar_text": "rgb(186, 183, 134)",
      "frame": "rgb(14, 41, 65)",
      "tab_background_text": "rgb(228, 149, 121)",
      "toolbar_field": "rgba(14, 14, 14, 0.75)",
      "toolbar_field_text": "rgb(0, 214, 255)",
      "tab_line": "rgb(169, 21, 235)",
      "popup": "rgb(7, 50, 84)",
      "popup_text": "rgb(131, 233, 79)",
      "tab_loading": "rgb(169, 21, 235)"
    }
  }
}