Examine source code of Colorful Borealis

{
  "name": "Adidas Borealis",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "aurora.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(224, 29, 126, 1)",
      "toolbar": "rgba(152, 50, 235, 1)",
      "bookmark_text": "rgba(0, 255, 221, 1)",
      "toolbar_field": "rgba(0, 245, 94, 1)",
      "toolbar_field_text": "rgba(112, 33, 158, 1)",
      "tab_line": "rgba(0, 255, 60, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ac71c578-945c-48d0-b5dd-e47d4df0974d}"
    }
  }
}