Examine source code of Rocket Sucker Punch

{
  "theme": {
    "images": {
      "theme_frame": "Personasuckerpunch2.png"
    },
    "colors": {
      "frame": "#3eb589",
      "tab_background_text": "#43b5ad"
    }
  },
  "version": "2.0",
  "name": "Rocket Sucker Punch",
  "manifest_version": 2,
  "description": "My Favourite from Sucker Punch\nI proudly present you Rocket\n*purrrrrr*"
}