Examine source code of DarkPumpkin

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "DarkPumpkin",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(252, 151, 3)",
      "frame": "rgb(31, 17, 0)",
      "tab_background_text": "rgb(111, 111, 109)",
      "toolbar_field": "rgba(0, 0, 0, 0.29)",
      "toolbar_field_text": "rgb(252, 151, 3)",
      "tab_line": "rgb(252, 151, 3)",
      "popup": "rgb(0, 0, 0)",
      "popup_text": "rgb(252, 151, 3)",
      "tab_loading": "rgb(252, 151, 3)"
    }
  }
}