Examine source code of Clean pastel rose

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Clean pastel rose",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-030-0f935cfde055600d01a959c5c15353de.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(229, 192, 181)",
      "toolbar_text": "rgb(140, 89, 87)",
      "frame": "rgb(229, 192, 181)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(140, 89, 87)",
      "tab_line": "rgb(140, 89, 87)",
      "popup": "rgb(248, 237, 236)",
      "popup_text": "rgb(140, 89, 87)",
      "icons": "rgb(140, 89, 87)",
      "ntp_background": "rgb(229, 192, 181)",
      "ntp_text": "rgb(140, 89, 87)",
      "popup_border": "rgb(140, 89, 87)",
      "popup_highlight_text": "rgb(140, 89, 87)",
      "popup_highlight": "rgb(247, 203, 184)",
      "tab_selected": "rgb(226, 179, 166)",
      "tab_text": "rgb(140, 89, 87)",
      "toolbar_field_border": "rgb(49, 24, 166)",
      "toolbar_field_highlight_text": "rgb(140, 89, 87)",
      "toolbar_field_highlight": "rgb(247, 203, 184)",
      "toolbar_field_text_focus": "rgb(140, 89, 87)",
      "tab_loading": "rgb(140, 89, 87)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e2023fe0-4b64-4223-ad5b-adb81baad43b}"
    }
  }
}