Examine source code of Amaranth

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Amaranth",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(241, 156, 187)",
      "toolbar_text": "rgb(219, 220, 219)",
      "frame": "rgb(255, 53, 94)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(255, 255, 255, 0.7)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(219, 45, 67)",
      "popup": "rgb(219, 220, 219)",
      "popup_text": "rgb(171, 39, 79)",
      "tab_loading": "rgb(219, 45, 67)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f9550762-01c6-4451-97d2-54c774d1a76f}"
    }
  }
}