Examine source code of Madd's circuit

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#db0d0d",
      "tab_background_text": "#07b338"
    }
  },
  "version": "2.0",
  "name": "Madd's circuit",
  "manifest_version": 2,
  "description": "A circuit patterned theme."
}