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<!DOCTYPE html>
<style>
table.collapse {
border-collapse: collapse;
}
td {
border: 20px solid #aaa;
width: 120px;
height: 150px;
}
.first {
background-color: #000;
position: absolute;
top: 20px;
left: 20px;
height: 10px;
width: 20px
}
</style>
<div style="position: relative;">
<table class="collapse">
<tr>
<td>
<div class="first"></div>
</td>
</tr>
</table>
</div>