Examine source code of Dark Brave

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark-Brave",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(33, 39, 42)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(13, 15, 20)",
      "tab_background_text": "rgb(226, 226, 226)",
      "toolbar_field": "rgb(13, 15, 20)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(248, 112, 140, 0)",
      "popup": "rgb(41, 42, 45)",
      "popup_text": "rgb(255, 255, 255)",
      "icons": "rgb(160, 177, 185)",
      "ntp_background": "rgb(33, 39, 42)",
      "tab_selected": "rgb(48, 57, 61)",
      "tab_loading": "rgba(248, 112, 140, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fcc2b80e-1f80-4cd8-aeae-8460a810a7d3}"
    }
  }
}