<div style="width: 550px; height: 100px; border:solid 1px orange;overflow:scroll">
<table cellpadding="0" cellspacing="1" style="background-color:black;width:500px">
<tbody>
<tr>
<td style="background-color:white"><input type="checkbox" /></td>
<td style="background-color:white">cccc</td>
<td style="background-color:white">cccc</td>
</tr>
<tr>
<td style="background-color:white; overflow:visible;width:100px;">
<div style="position: relative; ">
<input type="checkbox" />
<div style="width: 500px; position: absolute; top: 9px;border-bottom:solid 1px #000 ">
</div>
</div>
</td>
<td style="background-color:white">cccc</td>
<td style="background-color:white">cccc</td>
</tr>
<tr>
<td style="background-color:white"><input type="checkbox" /></td>
<td style="background-color:white">cccc</td>
<td style="background-color:white">cccc</td>
</tr>
<tr>
<td style="background-color:white"><input type="checkbox" /></td>
<td style="background-color:white">cccc</td>
<td style="background-color:white">cccc</td>
</tr>
<tr>
<td style="background-color:white"><input type="checkbox" /></td>
<td style="background-color:white">cccc</td>
<td style="background-color:white">cccc</td>
</tr>
</tbody>
</table>
