Examine source code of Simple blue22

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "simple blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-045-3e6898966e6ccdc87f80d23d4e7a6a49.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(29, 90, 210, 0.23)",
      "toolbar_text": "rgb(18, 18, 18)",
      "frame": "rgb(157, 186, 238)",
      "tab_background_text": "rgb(1, 36, 72)",
      "toolbar_field": "rgb(223, 244, 240)",
      "toolbar_field_text": "rgb(0, 4, 26)",
      "tab_line": "rgb(18, 7, 48)",
      "popup": "rgb(198, 198, 226)",
      "popup_text": "rgb(1, 1, 19)",
      "icons": "rgb(205, 198, 236)",
      "tab_loading": "rgb(18, 7, 48)"
    }
  }
}