Examine source code of RAP LIFE

{
  "name": "RAP LIFE",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "eminem-banner-1500x400_1.jpg"
    },
    "colors": {
      "frame": "rgba(5, 5, 5, 1)",
      "tab_background_text": "rgba(207, 80, 80, 1)",
      "toolbar": "rgba(41, 41, 41, 1)",
      "bookmark_text": "rgba(214, 51, 51, 1)",
      "toolbar_field": "rgba(252, 252, 252, 1)",
      "toolbar_field_text": "rgba(184, 63, 63, 1)",
      "tab_line": "rgba(194, 39, 39, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7338a4fc-b978-43a1-9ad3-1e87bdec4e48}"
    }
  }
}