Examine source code of Disco-Elysium-Wallpaper

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Disco Elysium",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(88, 186, 250, 0.4)",
      "toolbar_text": "rgb(246, 183, 99)",
      "frame": "rgb(246, 183, 99)",
      "tab_background_text": "rgb(88, 186, 250)",
      "toolbar_field": "rgba(0, 0, 0, 0.75)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(248, 112, 140)",
      "popup": "rgb(88, 186, 250)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(248, 112, 140)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{64863381-ea76-412d-b854-7b3a377fef11}"
    }
  }
}