Examine source code of Fruity Pastels

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Fruity",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom",
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 230, 239)",
      "toolbar_text": "rgb(208, 155, 177)",
      "frame": "rgb(255, 230, 239)",
      "tab_background_text": "rgb(191, 143, 181)",
      "toolbar_field": "rgb(255, 253, 250)",
      "toolbar_field_text": "rgb(236, 154, 52)",
      "tab_line": "rgba(255, 255, 255, 0)",
      "popup": "rgb(255, 253, 250)",
      "popup_text": "rgb(131, 165, 83)",
      "button_background_active": "rgb(251, 204, 213)",
      "button_background_hover": "rgb(251, 212, 220)",
      "frame_inactive": "rgb(202, 187, 212)",
      "icons_attention": "rgb(247, 139, 161)",
      "icons": "rgb(212, 143, 158)",
      "popup_highlight": "rgb(248, 198, 87)",
      "sidebar_highlight": "rgb(247, 201, 216)",
      "sidebar_text": "rgb(174, 56, 95)",
      "tab_selected": "rgb(255, 251, 238)",
      "tab_text": "rgb(165, 195, 122)",
      "toolbar_bottom_separator": "rgb(254, 221, 233)",
      "toolbar_top_separator": "rgba(24, 170, 224, 0)",
      "tab_loading": "rgba(255, 255, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{78a6afac-2c68-455c-8a1d-472953cd9d5f}"
    }
  }
}