Examine source code of LookMovie

{
  "name": "Warmlight Beautiful Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "12321321.png"
    },
    "colors": {
      "frame": "rgba(115, 157, 255, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(255, 0, 0, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(125, 73, 73, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{69d20baa-3009-4e67-86ec-ea28cf5cd4f4}"
    }
  }
}