Examine source code of Necro and finto

{
  "theme": {
    "images": {
      "theme_frame": "necrofinto.png"
    },
    "colors": {
      "frame": "#7a0a76",
      "tab_background_text": "#04e32d"
    }
  },
  "version": "2.0",
  "name": "Necro and finto",
  "manifest_version": 2,
  "description": "necro and finto, kyahaha nyakakak"
}