Examine source code of Zenless Miyabi

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Miyabi_ZZZ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom",
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(80, 150, 150, 0.75)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(80, 150, 150)",
      "tab_background_text": "rgb(80, 150, 150)",
      "toolbar_field": "rgb(30, 70, 80)",
      "toolbar_field_text": "rgb(255, 254, 146)",
      "tab_line": "rgb(255, 254, 146)",
      "popup": "rgb(30, 70, 80)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_hover": "rgb(248, 119, 75)",
      "icons": "rgb(255, 254, 146)",
      "toolbar_top_separator": "rgb(255, 254, 146)",
      "tab_loading": "rgb(255, 254, 146)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f774e7b4-e5bd-4c42-baaf-612fe31b31a0}"
    }
  }
}