body {
  background: #ddd;
}

.tdgreen {
  background: green;
  width: 70px;
  height: 4ex;
  text-align: center;
  vertical-align: middle;
  font-weight: bold;
}

.tdred {
  background: red;
  width: 70px;
  height: 4ex;
  text-align: center;
  vertical-align: middle;
}