Examine source code of Red Mountainside

{
  "theme": {
    "images": {
      "theme_frame": "o.jpg"
    },
    "colors": {
      "frame": "#9f6564",
      "tab_background_text": "#e1c9ad"
    }
  },
  "version": "2.0",
  "name": "Red Mountainside",
  "manifest_version": 2,
  "description": "sunset, mountains, red"
}