Examine source code of Lilac Summer

{
  "name": "Lilac Summer",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(191, 221, 211, 1)",
      "tab_background_text": "rgba(10, 10, 10, 1)",
      "toolbar": "rgba(192, 224, 215, 0.41)",
      "bookmark_text": "rgba(5, 5, 5, 1)",
      "toolbar_field": "rgba(192, 224, 215, 0.14)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(3, 3, 3, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ef636c3c-c82c-4000-abbf-cf3945068411}"
    }
  }
}