<!DOCTYPE html>
<html>
<head>
<style>
table {
  border-spacing: 0;
  border-collapse: collapse;
  margin-bottom: 10px;
}

td {
  padding: 0;
  width: 100px;
}
</style>
</head>
<body>

<table style="background-color: #aaa">
<tr><td colspan=2 style="height: 5px"></td></tr>
<tr>
    <td style="vertical-align: top"><div style="background-color: pink">third</div></td>
    <td style="background-color: yellow">fourth<br>fourth</td>
</tr>
<tr>
    <td style="background-color: lightblue">first<br>first<br>first</td>
    <td style="vertical-align: top"><div style="background-color: lightgreen">second</div></td>
</tr>
</table>

<table style="background-color: #aaa">
<tr>
    <td style="vertical-align: top"><div style="background-color: pink">third</div></td>
    <td style="background-color: yellow">fourth<br>fourth</td>
</tr>
<tr><td colspan=2 style="height: 5px"></td></tr>
<tr>
    <td style="background-color: lightblue">first<br>first<br>first</td>
    <td style="vertical-align: top"><div style="background-color: lightgreen">second</div></td>
</tr>
</table>

<table style="background-color: #aaa">
<tr>
    <td style="vertical-align: top; background-color: lightblue; height: 100px">first</td>
    <td style="vertical-align: bottom"><div style="background-color: lightgreen">second</div><div>&nbsp;</div></td>
    <td style="vertical-align: bottom"><div style="background-color: pink">third<br>third</div></td>
</tr>
</table>

</body>
</html>
