Examine source code of Hexagon Pattern

{
  "name": "Honeycomb Chambers",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "pattern-4.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(204, 204, 204, 1)",
      "toolbar": "rgba(117, 117, 117, 0.72)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(122, 110, 31, 0.79)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(156, 117, 72, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f3701d69-68ba-4757-9384-5261f90d6e73}"
    }
  }
}