.stacktable { width: 100%; }
.st-head-row { padding-top: 1em; }
.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%; }



/* RESPONSIVE EXAMPLE */

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

@media (max-width: 568px) {
  .large-only, .question.subquestions-list.questions-list { display: none; }
  .array-flexible-column .question.subquestions-list.questions-list { display: table; }
  .stacktable.question.subquestions-list.questions-list.small-only { display: table; }
}