Examine source code of zigzag

{
  "name": "zigzag",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "загагулины.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(51, 24, 4, 1)",
      "toolbar": "rgba(0, 0, 0, 0.2)",
      "bookmark_text": "rgba(204, 149, 133, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.2)",
      "toolbar_field_text": "rgba(204, 149, 133, 1)",
      "tab_line": "rgba(0, 0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2d248031-01fd-46b9-8011-152db0db420b}"
    }
  }
}