Examine source code of ChamplooSunset

{
  "name": "ChamplooSunset",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "firefoxbackground.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 0.6)",
      "tab_background_text": "rgba(3, 0, 41, 1)",
      "toolbar": "rgba(255, 153, 0, 0.15)",
      "bookmark_text": "rgba(143, 88, 0, 1)",
      "toolbar_field": "rgba(25, 35, 79, 0.6)",
      "toolbar_field_text": "rgba(143, 88, 0, 1)",
      "tab_line": "rgba(3, 0, 41, 1)"
    }
  }
}