Examine source code of Autumn Strong

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Autumn Strong",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(106, 53, 29)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(97, 44, 8)",
      "tab_background_text": "rgb(248, 248, 248)",
      "toolbar_field": "rgb(252, 252, 252)",
      "toolbar_field_text": "rgb(145, 145, 145)",
      "tab_line": "rgb(136, 28, 15)",
      "popup": "rgb(233, 237, 240)",
      "popup_text": "rgb(34, 10, 14)",
      "icons": "rgb(0, 0, 0)",
      "popup_border": "rgb(0, 0, 0)",
      "tab_loading": "rgb(136, 28, 15)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4e551e67-bf53-4d65-9d3d-43968393d173}"
    }
  }
}