Examine source code of Lobo Verde

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#074d05",
      "tab_background_text": "#efefef"
    }
  },
  "version": "2.0",
  "name": "Lobo Verde",
  "manifest_version": 2,
  "description": "This is gonna be part of a series of Simple Color themes.\nThis is \"Green Wolf\" theme."
}