JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<div class="table-responsive">
    <table class="table table-striped table-bordered table-hover table-condensed">
        <thead>
            <tr>
                <th>Number</th>
                <th>Table heading</th>
                <th>Table heading</th>
                <th>Table heading</th>
                <th>Table heading</th>
                <th>Table heading</th>
                <th>Table heading</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>First</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
            </tr>
            <tr>
                <td>Second</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
            </tr>
            <tr>
                <td>Third</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
                <td>Table cell</td>
            </tr>
        </tbody>
    </table>
</div>

CSS

table {table-layout:fixed;}
.table>thead:first-child>tr:first-child>th:first-child
{
    height:auto;
	width:100px;
}
.table> tbody > tr > td:first-child
{
    height:auto;
	width:100px;
}