Examine source code of Nanami Kento theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Nanami Kento colour theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-015-79a105bb546d3dfdd686392cf3ad1f57.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 50, 84, 0.94)",
      "toolbar_text": "rgb(215, 173, 52)",
      "frame": "rgb(230, 177, 33)",
      "tab_background_text": "rgb(21, 95, 112)",
      "toolbar_field": "rgba(28, 214, 15, 0.53)",
      "toolbar_field_text": "rgb(7, 63, 10)",
      "tab_line": "rgba(83, 20, 117, 0.74)",
      "popup": "rgb(7, 50, 84)",
      "popup_text": "rgba(24, 156, 180, 0.81)",
      "button_background_active": "rgb(9, 12, 94)",
      "tab_loading": "rgba(83, 20, 117, 0.74)"
    }
  }
}