Examine source code of Heavens Gate

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#595a5c",
      "tab_background_text": "#bababa"
    }
  },
  "version": "2.0",
  "name": "Heavens Gate",
  "manifest_version": 2,
  "description": "bored, played around, and came up with this beauty.\nBeautiful to me anyway...perhaps you'll like it as well."
}