Examine source code of Winter-Sunset

{
  "theme": {
    "images": {
      "theme_frame": "blue-persona_header.jpg"
    },
    "colors": {
      "frame": "#aba8a8",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Winter-Sunset",
  "manifest_version": 2,
  "description": "Nice sunset sky makes up for a colorful persona"
}