Examine source code of Cyberpunk Minimalist

{
  "name": "Cyberpunk",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Blank_-_Spacer.png"
    },
    "colors": {
      "toolbar": "rgba(55, 41, 99, 1)",
      "toolbar_field": "rgba(16, 13, 35, 1)",
      "toolbar_field_text": "rgba(255, 252, 88, 1)",
      "frame": "rgba(38, 29, 69, 1)",
      "tab_background_text": "rgba(0, 255, 156, 1)",
      "bookmark_text": "rgba(0, 255, 156, 1)"
    }
  }
}