Examine source code of W88 - W88Boleh Casino Online

{
  "name": "Hexagon Pattern Tile",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Mandala Hexagon Pattern Tile Background.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{47088cc1-2c89-48fb-9d5d-e78cf600e497}"
    }
  }
}