Examine source code of Fall Puppy Fun by M♥Donna

{
  "name": "Fall Puppy Fun by M♥Donna",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(122, 76, 35, 1)",
      "tab_background_text": "rgba(255, 241, 194, 1)",
      "toolbar": "rgba(122, 77, 34, 0)",
      "bookmark_text": "rgba(255, 245, 212, 1)",
      "toolbar_field": "rgba(122, 77, 34, 0.07)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8c7bcd3e-a760-4b64-833d-5c0549b77522}"
    }
  }
}