Examine source code of Spawn01

{
  "theme": {
    "images": {
      "theme_frame": "Spawnhead.jpg"
    },
    "colors": {
      "frame": "#e31010",
      "tab_background_text": "#55e010"
    }
  },
  "version": "2.0",
  "name": "Spawn01",
  "manifest_version": 2,
  "description": "Spawn, just because he's awesome."
}