body {
  width: 1000px;
  font-family: Georgia, serif, Verdana, sans-serif; 
  font-size: 18px;
  line-height:140%;
  margin: auto;
  margin-top: 20px;
  margin-bottom: 20px;
}

td {
  padding: 15px;
  font-size: 1.4em;
  text-align: center; 
  vertical-align: middle;
}

td.good {
  background-color: #cceecc;
}

td.bad {
  background-color: #eecccc;
}