colgroup.item {
  background-color:  #ffffcc;
}

colgroup.oldtype {
  background-color:  #ddddff;
}

colgroup.newtype {
  background-color:  #ffccee;
}

/*
 * <http://www.swa.gr.jp/diary/plop/plop.css>
 */
table {
  border-collapse: collapse;
  border-style: solid hidden solid hidden;
  border-width: 2px;
}

table.schedule {
  border-collapse: collapse;
  border-style: solid hidden solid hidden;
  border-width: 2px;
}
td {
  border-style: solid solid solid solid;
  border-width: 1px;
}
th {
  border-style: solid solid solid solid;
  border-width: 2px 1px 2px 1px;
}