Examine source code of Abstract Angel

{
  "name": "Abstract Angel",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Abstract Angel.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(179, 237, 55, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(240, 185, 91, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{93758072-0618-4aad-b062-1a6c8c03c8c9}"
    }
  }
}