Examine source code of Deep Purple Pastel

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark Pastel",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-036-40a272fe657f748396e017c7a64ee2dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(22, 4, 45)",
      "toolbar_text": "rgb(254, 136, 161)",
      "frame": "rgb(22, 4, 45)",
      "tab_background_text": "rgb(255, 138, 163)",
      "toolbar_field": "rgb(191, 170, 170)",
      "toolbar_field_text": "rgb(153, 51, 255)",
      "tab_line": "rgb(255, 195, 137)",
      "popup": "rgb(250, 240, 255)",
      "popup_text": "rgb(56, 12, 113)",
      "tab_loading": "rgb(255, 195, 137)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{315349d2-1a04-475b-afd0-fcc10eef2844}"
    }
  }
}