Examine source code of It echoed. .

{
  "theme": {
    "images": {
      "theme_frame": "0322-s1006--sylong-purpl-ki-2-fla.jpg"
    },
    "colors": {
      "frame": "#f2efe6",
      "tab_background_text": "#0f730b"
    }
  },
  "version": "2.0",
  "name": "It echoed. .",
  "manifest_version": 2,
  "description": "0322-s1006--sylong-purpl-ki-2-fla\n0322futta-s1006--sylong-purpl-ki-2-fla"
}