Examine source code of Maplestory Leaf Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Maplestory Leaf Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(36, 36, 36)",
      "toolbar_text": "rgb(221, 38, 22)",
      "frame": "rgb(20, 20, 20)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(20, 20, 20)",
      "tab_line": "rgb(221, 38, 22)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(20, 20, 20)",
      "icons_attention": "rgb(221, 38, 22)",
      "ntp_text": "rgb(221, 38, 22)",
      "popup_border": "rgb(36, 36, 36)",
      "sidebar_text": "rgb(36, 36, 36)",
      "tab_loading": "rgb(221, 38, 22)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd1d589a-6575-4c7b-9ef4-41a3b73de1d0}"
    }
  }
}