td.word {
  border-left-width: 1px;
  border-left-color: #ff9999;
  border-left-style: solid;
  border-top-width: 1px;
  border-top-color: #ff9999;
  border-top-style: solid;
  border-bottom-width: 1px;
  border-bottom-color: #ff9999;
  border-bottom-style: solid;
}