Examine source code of Adventure Time Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Adventure Time Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(45, 57, 154, 0.81)",
      "toolbar_text": "rgb(174, 116, 47)",
      "frame": "rgb(47, 54, 174)",
      "tab_background_text": "rgb(174, 116, 47)",
      "toolbar_field": "rgba(200, 130, 70, 0.71)",
      "toolbar_field_text": "rgb(117, 47, 174)",
      "tab_line": "rgb(144, 20, 197)",
      "popup": "rgba(45, 57, 154, 0.81)",
      "popup_text": "rgb(174, 116, 47)",
      "tab_loading": "rgb(144, 20, 197)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3fac8696-e10f-4ecc-9495-e0041c859508}"
    }
  }
}