Examine source code of gebaeudebild-t

{
  "name": "gebaeudebild-t",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "gebaeudebild-tauwald-automobile.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(240, 247, 27, 1)",
      "toolbar_field_text": "rgba(55, 56, 30, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7fe48736-dd0a-4861-bbac-c549b32fd9f8}"
    }
  }
}