.stacktable { width: 100%; }
.st-key { width: 49%; text-align: right; padding-right: 1%; }
.st-val { width: 49%; padding-left: 1%; }
/* RESPONSIVE EXAMPLE */
.stacktable.large-only { display: table; }
.stacktable.small-only { display: none; }
@media (max-width: 1280px) {
  .stacktable.large-only { display: none; }
  .stacktable.small-only { display: table; }
}