Examine source code of Turquoise Grid

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Turquoise Grid",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(4, 50, 40)",
      "toolbar_text": "rgb(48, 220, 183)",
      "frame": "rgb(14, 65, 54)",
      "tab_background_text": "rgb(48, 220, 183)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(67, 218, 181)",
      "tab_line": "rgb(67, 218, 181)",
      "popup": "rgb(14, 65, 54)",
      "popup_text": "rgb(48, 220, 183)",
      "tab_loading": "rgb(67, 218, 181)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{66d59992-afb2-4dae-abb6-a59c979a76fc}"
    }
  }
}