Examine source code of Connections Hint Theme

{
  "manifest_version": 2,
  "name": "Connections Hint Theme",
  "version": "1.0",
  "description": "A custom Firefox theme for Connections Hint with yellow background and black text.",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#FFFF00",
      "tab_background_text": "#000000"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f83ec562-2c53-4ff9-997d-05fe8320eab8}"
    }
  }
}