Examine source code of Capoeira

{
  "theme": {
    "images": {
      "theme_frame": "persona_capo_top.jpg"
    },
    "colors": {
      "frame": "#eefa0f",
      "tab_background_text": "#5bf700"
    }
  },
  "version": "2.0",
  "name": "Capoeira",
  "manifest_version": 2,
  "description": "Find your center of gravity..."
}