.td {
  border-left: solid 0px #000000;
  border-right: solid 2px #000000;
  border-bottom: solid 2px #000000;
  border-top: solid 2px #000000;
  padding-left: 2px
} 

.td_left {
  border-top: solid 2px #000000;
  border-bottom: solid 2px #000000;
  border-right: solid 2px #000000;
  padding-left: 0px
} 

.td_right {
  border-top: solid 2px #000000;
  border-bottom: solid 2px #000000;
  border-left: solid 0px #000000;
  padding-left: 2px
}