Examine source code of Bats and Jacks by MaDonna

{
  "name": "Bats and Jacks by MaDonna",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(128, 34, 3, 1)",
      "tab_background_text": "rgba(247, 244, 143, 1)",
      "toolbar": "rgba(130, 37, 3, 0)",
      "bookmark_text": "rgba(252, 252, 0, 1)",
      "toolbar_field": "rgba(130, 37, 3, 0.08)",
      "toolbar_field_text": "rgba(247, 244, 143, 1)",
      "tab_line": "rgba(247, 244, 143, 1)"
    }
  }
}