<!DOCTYPE html>
<style>
table {
border-collapse:collapse;
}
td {
padding: 0;
}
td > div {
height: 50px;
width: 50px;
}
.group {
display: inline-block;
position: relative;
width: 150px;
height: 200px;
}
.indicator {
position: absolute;
background-color: green;
left: 0;
top: 150px;
height: 50px;
width: 50px;
}
</style>
<div class="group">
<div>
<div class="indicator"></div>
</div>
</div>
<div>You should see a green box above. No red should be visible.</div>