Examine source code of Gladiola

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gladiola",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-039-717a66ba4d455686088c80f391cb3264.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(31, 36, 43)",
      "toolbar_text": "rgb(227, 242, 242)",
      "frame": "rgb(39, 31, 45)",
      "tab_background_text": "rgb(235, 229, 241)",
      "toolbar_field": "rgb(43, 47, 55)",
      "toolbar_field_text": "rgb(216, 216, 237)",
      "tab_line": "rgb(79, 164, 159)",
      "popup": "rgb(39, 39, 47)",
      "popup_text": "rgb(215, 215, 241)",
      "button_background_active": "rgb(79, 164, 159)",
      "button_background_hover": "rgb(52, 115, 109)",
      "ntp_background": "rgb(39, 31, 45)",
      "tab_selected": "rgb(69, 50, 87)",
      "tab_loading": "rgb(79, 164, 159)"
    }
  }
}