     <input id="num_integer" min="0" max="50" type="number" placeholder="#" value="5" />
                </div>
                <div class="range">
                    <span>String columns</span>
                    <input id="num_string" min="0" max="50" type="number" placeholder="#" value="5" />
                    <span>Dictionary size</span>
                    <input id="num_strings" min="1" max="500" type="number" placeholder="Unique Strings" value="50" />
                </div>
                <div c