Examine source code of Pumpkin house

{
  "name": "Pumpkin house",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "0.jpg"
    },
    "colors": {
      "frame": "rgba(5, 8, 15, 1)",
      "tab_background_text": "rgba(236, 146, 255, 1)",
      "toolbar": "rgba(33, 15, 0, 0.36)",
      "bookmark_text": "rgba(253, 209, 255, 0.64)",
      "toolbar_field": "rgba(31, 1, 26, 0.66)",
      "toolbar_field_text": "rgba(248, 211, 255, 1)",
      "tab_line": "rgba(201, 88, 19, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a83c66a4-ff31-40e2-84e5-9a075000e846}"
    }
  }
}