extracted some #css and #svg magic from e11e's homepage to add photocopy effect to your pages

<style>
  body {
    filter: url(#x);
  }
  svg {
    display: none;
  }
</style>
<svg width="0" height="0">
  <filter id="x">
    <feturbulence
      basefrequency="1 2"></feturbulence>
    <fedisplacementmap
      in="SourceGraphic"
      scale="2"></fedisplacementmap>
  </filter>
</svg>

see also

• sample page
• linux mode, xerox mode
• @e11e@mastodon.social