Table 1: border=1 cellspacing=0 cellpadding=0
First Row
Table 2: border=1 cellspacing=1 cellpadding=0
First Row
Table 3: border=1 cellspacing=0 cellpadding=1
First Row
Table 4: border=1 cellspacing=1 cellpadding=1
First Row


Same tables as above but removing height="50%" from the second row:

Table 5: border=1 cellspacing=0 cellpadding=0
First Row
Table 6: border=1 cellspacing=1 cellpadding=0
First Row
Table 7: border=1 cellspacing=0 cellpadding=1
First Row
Table 8: border=1 cellspacing=1 cellpadding=1
First Row