Examine source code of Hexagonal shapes

{
  "name": "Hexagonal shapes",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "istockphoto-1434130936-612x612.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0.12)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{48b10892-5172-449d-9218-fc01a338ba0a}"
    }
  }
}