Examine source code of Seattles Space Needle

{
  "name": "Seattles Space Needle",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "1.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(240, 240, 240, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(240, 240, 240, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.07)",
      "toolbar_field_text": "rgba(240, 240, 240, 1)",
      "tab_line": "rgba(240, 240, 240, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ae8eda32-f6f2-46d3-83b5-197c86039732}"
    }
  }
}