Examine source code of wind vertigo

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Anemos",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-006-51ab495c5f5dde6a3cddb22484acd00d.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(239, 255, 252)",
      "toolbar_text": "rgb(136, 141, 129)",
      "frame": "rgb(249, 253, 252)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgba(255, 255, 255, 0.7)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(41, 245, 223)",
      "popup": "rgb(243, 248, 248)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(41, 245, 223)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1461f77a-bc80-419c-aae3-c553639709b1}"
    }
  }
}