org/www/articles/gradientnoise/gradientnoise.htm">https://www.iquilezles.org/www/articles/gradientnoise/gradientnoise.htm</a></p>
        
        <h2 id="demo" class="section"><a class="anchor-link left" href="#demo"><i class="icofont-laika link">&#xef71;</i></a>Demo</h2>
        <div id="live-demo" style="border:2px solid #e400ff;width:400px;height:400px;background:#a888db33;color: #e400ff;display:flex;align-items:center;justify-content:center;cursor:pointer;">
          â–¶  Click to play
        </d