Examine source code of Beige plaid

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Beige plaid",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 177, 63, 0.75)",
      "toolbar_text": "rgb(140, 75, 34)",
      "frame": "rgb(74, 35, 20)",
      "tab_background_text": "rgb(79, 21, 0)",
      "toolbar_field": "rgb(249, 236, 217)",
      "toolbar_field_text": "rgb(138, 41, 0)",
      "tab_line": "rgb(136, 136, 136)",
      "popup": "rgb(255, 229, 192)",
      "popup_text": "rgb(152, 66, 0)",
      "popup_border": "rgb(195, 56, 47)",
      "toolbar_field_border": "rgb(132, 87, 19)",
      "toolbar_field_focus": "rgb(255, 207, 199)",
      "tab_loading": "rgb(136, 136, 136)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a7b3b209-d19c-445c-82be-3a8a692955ac}"
    }
  }
}