html

<table class="main-border">
    <colgroup>
        <col class="main-border" />
        <col class="main-border" />
        <col class="main-border" />
        <col class="main-border" />
    </colgroup>
    <thead class="main-border">
        <tr>
            <th>contact name</th>
            <th>city</th>
            <th>country</th>
            <th>is promoted</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td>Maria Anders</td>
            <td>Berlin</td>
            <td class="flag germany">Germany</td>
            <td><input type="checkbox" name="isPromoted" disabled="disabled" /></td>
        </tr>
        ...
        ...