Examine source code of Wavy Black Orange

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Wavy Black Orange",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-012-1e971c5fbb8dec3acbd76dd6c6819de9.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(238, 189, 147)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(29, 29, 29)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgba(255, 255, 255, 0.73)",
      "button_background_hover": "rgb(255, 211, 94)",
      "frame_inactive": "rgb(176, 176, 176)",
      "icons_attention": "rgba(108, 188, 255, 0.67)",
      "ntp_background": "rgb(147, 184, 238)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{394b64b7-f42b-4917-a9c1-e3532e5bf712}"
    }
  }
}