Examine source code of Chococatstar

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Chococatstar",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 0, 0)",
      "toolbar_text": "rgb(214, 181, 232)",
      "frame": "rgb(23, 168, 153)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(178, 232, 229)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgba(199, 128, 234, 0.78)",
      "popup": "rgba(92, 25, 96, 0.78)",
      "popup_text": "rgb(148, 230, 225)",
      "tab_loading": "rgba(199, 128, 234, 0.78)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d575e1f3-aeaf-4ea6-9fd6-a1e269d28e7c}"
    }
  }
}