Examine source code of Royal Hall

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Royal Hall",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-002-609370e89a219e0548ac5ef6b4a7dd2e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(1, 18, 95, 0.51)",
      "toolbar_text": "rgb(232, 195, 38)",
      "frame": "rgb(44, 0, 54)",
      "tab_background_text": "rgb(232, 195, 38)",
      "toolbar_field": "rgb(35, 48, 111)",
      "toolbar_field_text": "rgb(232, 195, 38)",
      "tab_line": "rgb(232, 195, 38)",
      "popup": "rgb(14, 28, 91)",
      "popup_text": "rgb(255, 218, 57)",
      "tab_loading": "rgb(232, 195, 38)"
    }
  }
}