Examine source code of 1ptm

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "1ptm",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-027-1049af643fc55b4ffd4a8575444547c5.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(180, 217, 238)",
      "toolbar_text": "rgb(204, 72, 97)",
      "frame": "rgb(178, 160, 225)",
      "tab_background_text": "rgb(150, 9, 133)",
      "toolbar_field": "rgb(247, 203, 227)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(229, 26, 66)",
      "popup": "rgb(188, 248, 246)",
      "popup_text": "rgb(59, 15, 113)",
      "tab_loading": "rgb(229, 26, 66)"
    }
  }
}