Examine source code of checkered strawberry

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "checkered strawberry",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(251, 204, 212)",
      "toolbar_text": "rgb(249, 174, 187)",
      "frame": "rgb(238, 190, 225)",
      "tab_background_text": "rgb(249, 174, 187)",
      "toolbar_field": "rgb(243, 221, 225)",
      "toolbar_field_text": "rgb(249, 174, 187)",
      "tab_line": "rgb(254, 192, 203)",
      "popup": "rgba(247, 229, 229, 0.4)",
      "popup_text": "rgb(251, 204, 212)",
      "ntp_background": "rgb(251, 204, 212)",
      "tab_selected": "rgb(251, 204, 212)",
      "tab_loading": "rgb(254, 192, 203)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{839a3d5b-f9e5-4c5a-89aa-74ab0f114775}"
    }
  }
}