Examine source code of Night worker/programmer

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Night worker/programmer",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgba(29, 21, 19, 0.89)",
      "toolbar_text": "rgb(245, 239, 240)",
      "frame": "rgb(26, 43, 51)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(12, 11, 12)",
      "toolbar_field_text": "rgb(245, 245, 245)",
      "tab_line": "rgb(254, 254, 8)",
      "popup": "rgb(9, 9, 9)",
      "popup_text": "rgb(239, 240, 248)",
      "tab_loading": "rgb(254, 254, 8)"
    }
  }
}