Examine source code of Ice Fractal

{
  "name": "Ice Fractal",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "Fractal Ice.png"
    },
    "colors": {
      "frame": "rgba(197, 206, 235, 1)",
      "tab_background_text": "rgba(55, 59, 77, 1)",
      "toolbar": "rgba(226, 231, 245, 0.7)",
      "bookmark_text": "rgba(56, 61, 78, 1)",
      "toolbar_field": "rgba(114, 129, 173, 0.55)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(195, 205, 235, 0.55)"
    }
  }
}