Examine source code of Snoopy Summer

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ede0ab",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Snoopy Summer",
  "manifest_version": 2,
  "description": "Charlie Brown, Linus, Snoopy, and Woodstock enjoying the beach on a summer day. For the version that only has Snoopy and Woodstock, see \"Snoopy Summer Beach\"."
}