Examine source code of Mini Pumpkins Fall Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Mini Pumpkins",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(104, 60, 21, 0.74)",
      "toolbar_text": "rgb(252, 246, 229)",
      "frame": "rgb(240, 169, 47)",
      "tab_background_text": "rgb(104, 60, 21)",
      "toolbar_field": "rgb(251, 242, 210)",
      "toolbar_field_text": "rgb(104, 60, 21)",
      "tab_line": "rgb(251, 242, 210)",
      "popup": "rgb(248, 231, 94)",
      "popup_text": "rgb(104, 60, 21)",
      "tab_loading": "rgb(251, 242, 210)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7b50b666-ba0b-4762-803a-f1614a9d30ea}"
    }
  }
}