Examine source code of Gozs-Grumpy

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_fire_skulls.jpg"
    },
    "colors": {
      "frame": "#170980",
      "tab_background_text": "#1065b0"
    }
  },
  "version": "2.0",
  "name": "Gozs-Grumpy",
  "manifest_version": 2,
  "description": "fun skin"
}