Examine source code of Material Rose

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Material Rose",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(22, 17, 18)",
      "toolbar_text": "rgb(255, 200, 213)",
      "frame": "rgb(17, 13, 14)",
      "tab_background_text": "rgb(92, 63, 69)",
      "toolbar_field": "rgb(36, 29, 31)",
      "toolbar_field_text": "rgb(255, 200, 213)",
      "tab_line": "rgb(255, 200, 213)",
      "popup": "rgb(17, 13, 14)",
      "popup_text": "rgb(255, 200, 213)",
      "tab_loading": "rgb(255, 200, 213)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c37ff266-692c-4d4d-85b3-6ba7337fdb49}"
    }
  }
}