Examine source code of Interface base

{
  "name": "W88",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "logo-w88fans.png"
    },
    "colors": {
      "frame": "rgba(178, 201, 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(133, 84, 84, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fcaa886d-1382-4ca9-b729-48e25db03334}"
    }
  }
}