Examine source code of Hepatica Blues by MaDonna

{
  "name": "Hepatica Blues by MaDonna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(60, 98, 194, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(61, 95, 196, 0)",
      "bookmark_text": "rgba(255, 245, 245, 1)",
      "toolbar_field": "rgba(61, 95, 196, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{31dd6b7d-9fc4-4de9-a787-d25d1ff6e273}"
    }
  }
}