.stacktable { width: 100%; border-style: solid; border-width: 1px;}
.st-head-row { padding-top: 1em; background: #F0F0FF  }
.st-head-row.st-head-row-main { font-size: 1.5em; padding-top: 0 }
.st-key { width: 49%; text-align: right; padding-right: 1%; }
.st-val { width: 49%; padding-left: 1%; }

  th {text-align: left; padding-right: 1em}
  th, td.sub {background-color: #F0F0FF}
  .midtext {text-align: center;}

/* RESPONSIVE EXAMPLE */

.stacktable.large-only { display: table;  }
.stacktable.small-only { display: none; }

@media (max-width: 800px) {
  .stacktable.large-only { display: none; }
  .stacktable.small-only { display: table; }
}