Examine source code of eevee scetch persona

{
  "theme": {
    "images": {
      "theme_frame": "eeveebanner44.jpg"
    },
    "colors": {
      "frame": "#e8ae1c",
      "tab_background_text": "#ed4815"
    }
  },
  "version": "2.0",
  "name": "eevee scetch persona",
  "manifest_version": 2,
  "description": "I drew the little eevee. :) what can i say? I love eevee."
}