.stacktable { width: 100%; }
.st-head-row { padding-top: 1em; }
.st-head-row.st-head-row-main { padding-top: 1em; }
.st-key { width: 49%; text-align: right; padding-right: 1%; }
.st-val { width: 49%; padding-left: 1%; }
/* RESPONSIVE EXAMPLE */
@media (min-width: 476px) {
    .stacktable.large-only {
        display: table;
    }
    .small-only {
        display: none !important;
    }
}

@media (max-width: 475px) {
  .large-only { display: none !important; }
  .stacktable.small-only { display: table !important; }

}