Examine source code of Skin with green

{
  "theme": {
    "images": {
      "theme_frame": "Mozilla-persona-header.jpg"
    },
    "colors": {
      "frame": "#94e68d",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Skin with green",
  "manifest_version": 2,
  "description": "Hi, this is my background drawing which i paint in a drawing program. I mention to give a feel about human skin."
}