Examine source code of Cosmicism

{
  "name": "Cosmicism",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "C3.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 0.87)",
      "tab_background_text": "rgba(0, 0, 0, 0.78)",
      "toolbar": "rgba(0, 0, 0, 0.55)",
      "bookmark_text": "rgba(0, 0, 0, 0.67)",
      "toolbar_field": "rgba(0, 0, 0, 0.9)",
      "toolbar_field_text": "rgba(125, 114, 114, 0.71)"
    }
  }
}