Examine source code of Cat Scratch Fever

{
  "name": "Cat Scratch Fever",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "abstrakt112.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(186, 186, 186, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(153, 153, 153, 0.64)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(184, 144, 63, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7e24d298-b533-465d-af3a-edaaa2a71cfc}"
    }
  }
}