.past-winners-items-structure {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.past-winners-items-structure > * {
  flex: 0 0 calc(25% - 15px);
}

/* Mobile */
@media (max-width: 767px) {
  .past-winners-items-structure > * {
    flex: 0 0 calc(50% - 10px);
  }
}