Examine source code of Spring Drama by MaDonna

{
  "name": "Spring Drama by MaDonna",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(181, 201, 195, 1)",
      "tab_background_text": "rgba(8, 8, 8, 1)",
      "toolbar": "rgba(183, 204, 198, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(183, 204, 198, 0.08)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{952ebb94-338a-42cc-b65e-fb0f6c96c00b}"
    }
  }
}