Examine source code of Auryn

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Auryn",
  "manifest_version": 2,
  "description": "There's a theme of the spanish boyband called Auryn, with lots of awards and 3 music albums. Their names are Álvaro, Blas, Carlos, Dani and David. Check their songs in YouTube!\nHope you like it!!"
}