Examine source code of Neon Style

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Neon Colors",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-002-609370e89a219e0548ac5ef6b4a7dd2e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(17, 16, 17)",
      "toolbar_text": "rgb(224, 7, 236)",
      "frame": "rgb(17, 16, 17)",
      "tab_background_text": "rgb(224, 7, 236)",
      "toolbar_field": "rgba(186, 52, 193, 0.2)",
      "toolbar_field_text": "rgb(0, 255, 191)",
      "tab_line": "rgb(233, 248, 112)",
      "popup": "rgb(17, 16, 17)",
      "popup_text": "rgb(0, 255, 191)",
      "sidebar_text": "rgb(105, 87, 193)",
      "sidebar": "rgb(136, 130, 165)",
      "tab_loading": "rgb(233, 248, 112)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4e36bc35-fa7f-4b6b-a7d7-2bbf83450ea2}"
    }
  }
}