Examine source code of Easy Reader - Black

{
  "name": "Easy Reader - Black",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "abstract-dark-blurred-background-smooth-gradient-texture-color-shiny-bright-website-pattern-banner-header-sidebar-graphic-art-image.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(79, 81, 84, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(214, 214, 214, 0.9)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(221, 223, 235, 0.94)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ce780e04-c503-4c09-9904-c7febcaa6fc3}"
    }
  }
}