Examine source code of White sand waves

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "White sand waves",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(92, 32, 51, 0.39)",
      "toolbar_text": "rgb(13, 242, 169)",
      "frame": "rgb(111, 39, 62)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(212, 81, 123, 0.9)",
      "toolbar_field_text": "rgb(40, 255, 186)",
      "tab_line": "rgb(69, 196, 155)",
      "popup": "rgb(111, 39, 62)",
      "popup_text": "rgb(69, 196, 155)",
      "tab_loading": "rgb(69, 196, 155)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6437a21b-613d-456c-8cbf-2c3ccafdc036}"
    }
  }
}