body {
  width: 100%;
  height: 100%;
  display: flex;
  flex-flow: row nowrap;
  justify-content: safe center;
  align-items: safe center;
  align-content: safe center;
  gap: 10px 10px;
  padding: 10px;
}

.card.draggable {
  position: relative;
  flex-grow: 0;
  flex-shrink: 0;
}

@media (width < 430px) {
  .card.draggable {
    width: calc((100% - 50px) / 4);
    aspect-ratio: 1 / 1;
    height: auto;
  }
}