.sme--section {
  min-height: calc(100vh - 50px);
  display: flex;
  align-items: center;
}

.sme--flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.sme--flex-item {
  flex: 1;
  padding: 10px;
}

@media screen and (orientation: portrait) {
  .sme--flex {
    flex-direction: column;
  }
}