Examine source code of Halloween Candy

{
  "name": "Halloween Candy",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "HalloweenCandy.jpg"
    },
    "colors": {
      "frame": "#1e1726",
      "tab_background_text": "rgba(255, 230, 163, 1)",
      "toolbar": "rgba(235, 205, 159, 0.07)",
      "bookmark_text": "rgba(243, 224, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(224, 255, 224, 1)"
    }
  }
}