le="padding: 5px;">
      <label class="label"><input type="range" class="slider" min="0.0005" max="0.05" value="0.005" step="0.0005" id="range_diffusion"
        onchange="SetDiffusion(this.value);">
        <span>molecular diffusion</span></label>
    </div>
    <div class="emscripten" style="padding-top: 15px;">
      demos:
      <a href="hydro.html">drops</a>
      |
      <a href="aphros.html">explorer</a>
      <br>
      videos:
      <a href="https://www.youtube.com/watch?v=iGdphpztCJQ">waves</a>
 