opensurvey/src/css/parts/card.css

.card {
  padding: 14px;
  margin: 40px 0;
  background: #ffffff;
  box-shadow: 0 8px 20px 0 rgba(22, 58, 64, 0.2),
    0 4px 12px 0 rgba(22, 58, 64, 0.1);
  border-radius: 6px;
}

@media screen and (min-width: 700px) {
  .card {
    padding: 30px;
  }
}