table {
  border-collapse:collapse;
}
tr, td, th {
  padding: 0 5pt;
  margin: 0;
  border: 1px solid #888;
  text-align: left;
}
tbody tr:nth-child(odd) {
  background-color: #ddf;
}
td.skipped,
td.none,
td.change {
  text-align: center;
}
td.skipped,
td.none {
  background-color: #bba;
}
tbody tr:nth-child(odd) td.skipped, 
tbody tr:nth-child(odd) td.none {
  background-color: #bbc;
}
td.change {
  background-color: #ff8;
}
dl.key {
  margin-bottom: 1em;
}
dl.key dt {
  float:left;
  font-weight:bold;
  margin: 0;
  padding: 0;
  width: 1em;
}
dl.key dd {
  margin: 0;
  padding: 0;
}
footer {
  border-top: 1px solid #888;
}