Examine source code of green plaid

{
  "theme": {
    "images": {
      "theme_frame": "green-and-yellow-plaid-a4.jpg"
    },
    "colors": {
      "frame": "#00f5f1",
      "tab_background_text": "#00ffe6"
    }
  },
  "version": "2.0",
  "name": "green plaid",
  "manifest_version": 2
}