Examine source code of Summer Dreams

{
  "name": "Summer Dreams",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "SummerDreamsH.jpg"
    },
    "colors": {
      "frame": "rgba(78, 3, 53, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(77, 2, 51, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(77, 2, 51, 0.05)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{28d73152-db54-4be3-a573-cf8e44288ac2}"
    }
  }
}