.tx1
{
FONT-FAMILY: Arial, Helvetica, sans-serif;
TEXT-ALIGN: left;
FONT-SIZE: 16px;
}
.tb1
{border-width: 1px; 
FONT-FAMILY: Arial, Helvetica, sans-serif;
TEXT-ALIGN: center;  
FONT-SIZE: 16px;
}
.tb1b
{border-width: 1px; 
FONT-FAMILY: Arial, Helvetica, sans-serif;
TEXT-ALIGN: center; 
FONT-SIZE: 16px; font-weight: bold;
}