Examine source code of Snail House

{
  "name": "Snail House",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "ezgif.com-crop(2).gif"
    },
    "colors": {
      "frame": "rgba(17, 1, 38, 1)",
      "tab_background_text": "rgba(217, 43, 200, 1)",
      "toolbar": "rgba(181, 163, 214, 0.28)",
      "bookmark_text": "rgba(237, 214, 61, 1)",
      "toolbar_field": "rgba(245, 157, 157, 0.73)",
      "toolbar_field_text": "rgba(233, 194, 255, 1)",
      "tab_line": "rgba(255, 97, 97, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ec280a3e-01cd-4a28-b195-f36f4bb14299}"
    }
  }
}