  </style>
    </head>
    <body>
        <div id="app">
            <div id="controls">
                <button id="run">Generate</button>
                <button id="del">Delete</button>
                <div class="range">
                    <span>Rows</span>
                    <input id="num_rows" min="25" max="1000000" type="number" placeholder="#" value="100000" />
                    <span>Update batches</span>
                    <input id="num_batches" min="1" max="100" type="number" placeholder="