Examine source code of Summer in USA

{
  "theme": {
    "images": {
      "theme_frame": "glam.jpg"
    },
    "colors": {
      "frame": "#cfcfcf",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Summer in USA",
  "manifest_version": 2,
  "description": "Cool glamorous theme inspired by summer look and USA feeling touch. Boho and style."
}