Examine source code of XP Like Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "XP Like Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-010-e9f94a3e61666a4c7677eb9cce17d854.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(225, 225, 225)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(0, 126, 198)",
      "tab_background_text": "rgb(253, 253, 253)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgb(255, 255, 255)",
      "frame_inactive": "rgb(0, 91, 143)",
      "icons": "rgb(0, 0, 0)",
      "sidebar_text": "rgb(0, 0, 0)",
      "sidebar": "rgb(236, 0, 0)",
      "tab_background_separator": "rgb(0, 0, 0)",
      "tab_selected": "rgb(255, 255, 255)",
      "tab_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(0, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d6ab3bf8-f885-4001-8066-2e3e3573667e}"
    }
  }
}