Examine source code of Cute minecraft chicken

{
  "name": "Cute minecraft chicken",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Messages Image(1803972665) 2.jpeg"
    },
    "colors": {
      "frame": "rgba(106, 163, 85, 1)",
      "tab_background_text": "rgba(32, 84, 19, 1)",
      "toolbar": "rgba(121, 156, 113, 1)",
      "bookmark_text": "rgba(20, 84, 8, 1)",
      "toolbar_field": "rgba(151, 230, 141, 1)",
      "toolbar_field_text": "rgba(18, 92, 16, 1)",
      "tab_line": "rgba(110, 143, 103, 1)"
    }
  }
}