Examine source code of Warm color 1

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Warm color 1",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-004-411c27df18d2f86bd8790aa4a1bde85f.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(227, 22, 180)",
      "toolbar_text": "rgb(238, 205, 23)",
      "frame": "rgb(164, 8, 112)",
      "tab_background_text": "rgb(238, 182, 23)",
      "toolbar_field": "rgb(255, 157, 246)",
      "toolbar_field_text": "rgb(238, 147, 23)",
      "tab_line": "rgb(253, 255, 56)",
      "popup": "rgb(102, 3, 3)",
      "popup_text": "rgb(182, 96, 42)",
      "tab_loading": "rgb(253, 255, 56)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{60bc1796-57bb-4dcb-a20c-960a697cd1ec}"
    }
  }
}