Examine source code of Basic

{
  "name": "The Glow",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "blue-oange.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(45, 0, 27, 0.66)",
      "bookmark_text": "rgba(219, 219, 219, 1)",
      "toolbar_field": "rgba(1, 37, 107, 0.57)",
      "toolbar_field_text": "rgba(214, 214, 214, 1)",
      "tab_line": "rgba(94, 120, 171, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b6b34700-72a0-4e26-b695-474e19ab2249}"
    }
  }
}