Examine source code of Always raining here

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Alwaysraininghere.jpg"
    },
    "colors": {
      "frame": "#54a7ff",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Always raining here",
  "manifest_version": 2,
  "description": "from a very nice comic<3"
}