3列2行から2列3行のレイアウト

画面サイズの変更によって、3列2行から2列3行のレイアウトに変化します。

デモ

See the Pen layout-3 by logsuke (@design-list) on CodePen.

コード

<section>
    <div class="section-container">
        <div class="bg content-1">
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
            <div class="item"></div>
        </div>
    </div>
</section>

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box
}

:root {
  --nav-height: 8rem;
  --max-width: 1024px;
  --container-padding: 0 4rem;
  --gap: 2rem;
}

/* section */
.section-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;

  margin-top: 5rem;
}

.bg {
  border: 5px solid rgb(55, 53, 53);
  position: relative;
  opacity: 0.5;
  background-image: radial-gradient(#e331dd 2px, #e5e5f7 2px);
  background-size: 40px 40px;
}
/* gridを使った折返し */
.content-1 {
  width: 100%;
  padding: 2rem;
  display: grid;
  grid-gap: var(--gap);
  grid-template-columns: repeat(3, minmax(100px, 300px));
  grid-template-rows: repeat(2, minmax(100px, 300px));
  justify-content: center;
}

.item {
  width: 100%;
  height: 100%;
  background: rgba(233, 181, 255, 0.608);
  position: relative;
}

.item::before {
  content: 'item';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: black;
  font-size: 2rem;
}

@media screen and (max-width: 768px) {
  .content-1 {
    grid-template-columns: repeat(2, minmax(100px, 300px));
    grid-template-rows: repeat(3, minmax(100px, 300px));
  }
}