table {
  margin-left: auto;
  margin-right: auto;
  border: 1px solid #000000;
}

tr {
  vertical-align: top;
}

td {
  padding-left: 5px;
  padding-right: 5px;
}

.uncomfortable {
  background-color: #00ff00;
}

.unpleasant {
  background-color: #009000;
}

.fbpossible {
  background-color: #ffff00;
}

.fblikely {
  background-color: #ff9000;
}

.freeze {
  background-color: #ff0000;
}