Examine source code of Pyramid Patterns

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Pyramid Patterns",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-017-7074520d97b5c592d413aed5f115f093.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(234, 234, 141, 0.64)",
      "toolbar_text": "rgb(83, 147, 43)",
      "frame": "rgb(221, 249, 118)",
      "tab_background_text": "rgb(37, 211, 183)",
      "toolbar_field": "rgba(242, 242, 99, 0.36)",
      "toolbar_field_text": "rgb(32, 178, 32)",
      "tab_line": "rgb(19, 226, 187)",
      "popup": "rgb(151, 155, 74)",
      "popup_text": "rgb(173, 237, 90)",
      "button_background_active": "rgb(67, 218, 169)",
      "tab_loading": "rgb(19, 226, 187)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8f72305b-6481-4abe-9068-f36a73b1ae34}"
    }
  }
}