Examine source code of Colorado Sunsets

{
  "theme": {
    "images": {
      "theme_frame": "persona_sunset_head.jpg"
    },
    "colors": {
      "frame": "#333366",
      "tab_background_text": "#ffff00"
    }
  },
  "version": "2.0",
  "name": "Colorado Sunsets",
  "manifest_version": 2,
  "description": "Two southern Colorado sunsets"
}