Examine source code of Uniform

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "drac",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(25, 22, 34)",
      "toolbar_text": "rgb(152, 139, 199)",
      "frame": "rgb(25, 22, 34)",
      "tab_background_text": "rgb(153, 136, 136)",
      "toolbar_field": "rgb(25, 22, 34)",
      "toolbar_field_text": "rgb(153, 136, 136)",
      "tab_line": "rgb(151, 70, 154)",
      "popup": "rgb(32, 27, 45)",
      "popup_text": "rgb(152, 139, 199)",
      "tab_loading": "rgb(151, 70, 154)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4613a77f-8572-4210-b559-703cf2820b57}"
    }
  }
}