Examine source code of Warm Wheat

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Warm Wheat",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(252, 207, 165, 0.69)",
      "toolbar_text": "rgba(0, 0, 0, 0.71)",
      "frame": "rgb(157, 183, 190)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgba(255, 99, 14, 0.67)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgba(255, 99, 14, 0.67)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{28ab4703-8eec-4605-81fc-bd6997645b3b}"
    }
  }
}