Examine source code of Tieflabs Minecraft Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Tieflabs V1.2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(21, 21, 21)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(21, 21, 21)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(113, 136, 66)",
      "popup": "rgb(21, 21, 21)",
      "popup_text": "rgb(215, 226, 239)",
      "tab_loading": "rgb(113, 136, 66)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{03d8d762-769c-4a5b-9d04-920a689b83f0}"
    }
  }
}