Examine source code of Ice Cool Cold2

{
  "name": "Ice Cool Cold2",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "HD_transparent_picture.png"
    },
    "colors": {
      "frame": "rgba(3, 255, 251, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(156, 253, 255, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cc8de40c-7829-42fc-b77f-8dd7681cedd1}"
    }
  }
}