Examine source code of Plaid Skies

{
  "theme": {
    "images": {
      "theme_frame": "PlaidSkiesHeader.jpg"
    },
    "colors": {
      "frame": "#111212",
      "tab_background_text": "#111212"
    }
  },
  "version": "2.0",
  "name": "Plaid Skies",
  "manifest_version": 2,
  "description": "Having a plaid addiction? Here's the cure. Chill out in this nice blue plaid sky with birds flying about."
}