Examine source code of Umbreon persona

{
  "theme": {
    "images": {
      "theme_frame": "Umbreon_headerimage.jpg"
    },
    "colors": {
      "frame": "#8c0404",
      "tab_background_text": "#8c0404"
    }
  },
  "version": "2.0",
  "name": "Umbreon persona",
  "manifest_version": 2,
  "description": "I made everything except the Umbreon pic."
}