<!DOCTYPE html> <!-- webkit-test-runner [ LayoutFormattingContextEnabled=true InlineFormattingContextIntegrationEnabled=false ] -->
<style>
td {
    width: 10px;
    height: 10px;
    padding: 0px;
    border: 1px solid green;
}

tr {
    border: 50px solid red;
}
</style>
<table>
<tr><td></td><td></td></tr>
<tr><td></td><td></td></tr>
</tbody>
</table>