Examine source code of SunKenji

{
  "name": "SunKenji",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "330fe46de173777e7a91ea2ed8eb92d5.jpg"
    },
    "colors": {
      "frame": "rgba(252, 252, 252, 1)",
      "tab_background_text": "rgba(173, 24, 24, 0.63)",
      "toolbar": "rgba(255, 255, 255, 0.4)",
      "bookmark_text": "rgba(0, 0, 0, 0.42)",
      "toolbar_field": "rgba(250, 242, 242, 0)",
      "toolbar_field_text": "rgba(0, 0, 0, 0.54)",
      "tab_line": "rgba(0, 0, 0, 0.21)"
    }
  }
}