Examine source code of stafstof

{
  "theme": {
    "images": {
      "theme_frame": "stof.jpg"
    },
    "colors": {
      "frame": "#e36e24",
      "tab_background_text": "#de5916"
    }
  },
  "version": "2.0",
  "name": "stafstof",
  "manifest_version": 2,
  "description": "stof in the space"
}