Examine source code of Black snake2

{
  "theme": {
    "images": {
      "theme_frame": "k5.jpg"
    },
    "colors": {
      "frame": "#1dad38",
      "tab_background_text": "#5acc29"
    }
  },
  "version": "2.0",
  "name": "Black snake2",
  "manifest_version": 2,
  "description": "Black snake"
}