Examine source code of Santa christmas theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Santa christmas theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(13, 212, 41)",
      "toolbar_text": "rgb(3, 3, 3)",
      "frame": "rgb(4, 253, 9)",
      "tab_background_text": "rgb(18, 19, 18)",
      "toolbar_field": "rgb(19, 147, 36)",
      "toolbar_field_text": "rgb(247, 247, 255)",
      "tab_line": "rgb(4, 253, 9)",
      "popup": "rgb(14, 115, 44)",
      "popup_text": "rgb(229, 230, 240)",
      "icons_attention": "rgb(29, 37, 132)",
      "tab_loading": "rgb(4, 253, 9)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{97ba75d2-c551-4c34-ab94-537ec4b3e132}"
    }
  }
}