Examine source code of Terra Online Dark

{
  "theme": {
    "images": {
      "theme_frame": "TerraFFHeaderJPG.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Terra Online Dark",
  "manifest_version": 2,
  "description": "Love Terra Online? Use this persona to show it! It includes the Terra mascot Maynard!"
}