Examine source code of Spider-Man Theme Charles

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Spider-Man Theme Charles J Staab",
  "description": "A dynamic and bold theme inspired by Spider-Man, featuring striking red and purple tones that capture the essence of this iconic superhero.",
  "author": "Charles J Staab",
  "theme": {
    "images": {
      "theme_frame": "spiderman_background.jpg"
    },
    "colors": {
      "frame": "#8b0000",
      "tab_background_text": "#ffffff",
      "toolbar": "#4b0082",
      "bookmark_text": "#ffd700",
      "button_background_hover": "#8b0000",
      "toolbar_text": "#ffffff",
      "tab_line": "#ff4500"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{06e5c195-5c66-4700-9b6f-d8987c3d5477}"
    }
  }
}