Examine source code of Pure Brand

{
  "name": "Pure Brand",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "pure_logo.png"
    },
    "colors": {
      "frame": "rgba(172, 184, 171, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{06ec6412-e2c1-4e2d-a56e-23ffb8e6cf93}"
    }
  }
}