.calculator-deck #main fieldset {
  margin-bottom: 1rem;
}

.calculator-deck #main .fieldset-div {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.75rem 1rem;
  min-width: 0;
}

.calculator-deck #main #buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.calculator-deck #main #buttons .calc-form-button {
  margin: 0;
}

.calculator-deck #main #results input[readonly] {
  background: rgba(127, 127, 127, 0.08);
}

.calculator-deck #main #atmosphere_message {
  font-weight: 600;
}

@media (max-width: 540px) {
  .calculator-deck #main .fieldset-div {
    grid-template-columns: 1fr;
  }
}