td      {font-family:arial;font-size:8pt;}
button  {width:140px;border:0;background-color:transparent;cursor:hand;}


.aa     {cursor:hand;font-family:arial;font-size:8pt;text-align:center;color:gray;border-top:solid gray 1px;border-right:solid gray 1px;border-bottom:solid gray 1px;border-left:solid gray 1px; }
.al     {cursor:hand;font-family:arial;font-size:8pt;text-align:center;color:gray;border-top:solid gray 1px;border-left:solid gray 1px;border-right:solid gray 1px;border-bottom:solid gray 1px;}
.i      {cursor:hand;width:90px;font-family:arial;font-size:8pt;text-align:center;border:inset 2px;background-color:whitesmoke; border-bottom:0;}
.o      {width:90px;font-size:8pt;text-align:center;border:outset 2px;background-color:silver;}