Examine source code of Terminal

{
  "name": "Terminal",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "wp4782096-3479616001.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(238, 239, 239, 1)",
      "toolbar": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(77, 175, 44, 1)",
      "tab_line": "rgba(50, 117, 31, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{faa4fd83-5db0-48d1-b732-a9b3d4a87dea}"
    }
  }
}