Examine source code of Red_Sky_over_Hook_UK

{
  "theme": {
    "images": {
      "theme_frame": "Red_Sky_top.jpg"
    },
    "colors": {
      "frame": "#00e6ff",
      "tab_background_text": "#ffff00"
    }
  },
  "version": "2.0",
  "name": "Red_Sky_over_Hook_UK",
  "manifest_version": 2,
  "description": "Red Sky over Hook, UK.  Captured whilst driving home from Work."
}