table#mytable { width:100%; }		
table#mytable td {
vertical-align:top;
border-bottom:1px solid #000;
padding:3px;
padding-left:0;
text-align:left;
}

table#guestbook { width:100%; }		
table#guestbook td {
vertical-align:top;
padding:1px;
padding-left:0;
}