Examine source code of Leopard Print Hearts

{
  "name": "Leopard Print Hearts",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Leopard Print Hearts.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(79, 204, 133, 1)",
      "toolbar": "rgba(255, 255, 255, 0.6)",
      "bookmark_text": "rgba(224, 119, 192, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.73)",
      "toolbar_field_text": "rgba(120, 117, 209, 1)",
      "tab_line": "rgba(230, 193, 60, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{df3c2f91-08e9-44aa-8cde-483f8b9e0530}"
    }
  }
}