Examine source code of Quantum

{
  "name": "Quantum",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "0.png"
    },
    "colors": {
      "frame": "rgba(125, 39, 56, 0.93)",
      "tab_background_text": "rgba(163, 137, 137, 1)",
      "toolbar": "rgba(158, 40, 40, 0.92)",
      "bookmark_text": "rgba(194, 46, 46, 0.77)",
      "toolbar_field": "rgba(107, 32, 32, 1)",
      "toolbar_field_text": "rgba(196, 43, 43, 1)"
    }
  }
}