table.supertable,
table.supertable td,
table.supertable th {
  border: 1px solid #ddd;
  border-collapse: collapse;
}

table.supertable {
  margin: 1rem auto;
}

table.supertable td,
table.supertable th {
  padding: 0.25rem 0.75rem;
}

td.hidden,
th.hidden {
  display: none;
}


td.black,
th.black {
  background-color: black;
}

td.grey,
th.grey {
  background-color: #ADADAD;
}


td.htLeft,
th.htLeft {
  text-align: left;
}

td.htCenter,
td.htMiddle,
th.htCenter,
th.htMiddle {
  text-align: center;
}

td.htRight,
th.htRight {
  text-align: right;
}

td.htJustify,
th.htJustify {
  text-align: justify;
}