.PostSection {
  padding: 2rem 0;
}
.PostSection .PostCard {
  width: calc(33.33% - 4rem);
}

.PostSection--Grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  align-items: stretch;
}

@supports (display: grid) {
  .PostSection--Grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 4rem;
  }

  .PostSection .PostCard {
    width: auto;
    margin: 0 0 4rem 0;
  }
}

.PostSection--Title {
  width: 100%;
  max-width: 200px;
  margin: 0 auto 4rem auto;
  line-height: 1.2;
}

@media screen and (max-width: 750px) {
  .PostSection .PostCard {
    width: 100%;
    margin: 0 0 4rem 0;
    display: block;
  }

  @supports (display: grid) {
    .PostSection--Grid {
      display: block;
      grid-template-columns: 1;
      grid-gap: 0;
    }

    .PostSection .PostCard {
      margin: 0 0 4rem 0;
    }
  }
}