Examine source code of grasshopper

{
  "theme": {
    "images": {
      "theme_frame": "grass.jpg"
    },
    "colors": {
      "frame": "#916514",
      "tab_background_text": "#0a0202"
    }
  },
  "version": "2.0",
  "name": "grasshopper",
  "manifest_version": 2,
  "description": "grass grass grass"
}