Examine source code of mini blue flower field

{
  "theme": {
    "images": {
      "theme_frame": "miniblueflowerfield.jpg"
    },
    "colors": {
      "frame": "#78c6f0",
      "tab_background_text": "#faf5f5"
    }
  },
  "version": "2.0",
  "name": "mini blue flower field",
  "manifest_version": 2,
  "description": "little tiny blue flowers in a field"
}