">
      <label class="label"><input type="range" class="slider" min="0" max="0.02" value="0.001" step="0.0002" id="range_mu"
        onchange="SetMu(this.value);">
        <span>viscosity</span></label>
    </div>
    <div class="emscripten" style="padding: 5px;">
      <label class="label"><input type="range" class="slider" min="0" max="0.5" value="0.1" step="0.01" id="range_rate"
        onchange="SetRate(this.value);">
        <span>reaction rate</span></label>
    </div>
    <div class="emscripten" sty