grid

pure css

by Oleh Kotsubko

HTML

<div class="wrapper">
  <div class="item" style="grid-column: 1/3">item 1</div>
  <div class="item">item 2</div>
  <div class="item">item 3</div>
  <div class="item">item 4</div>
  <div class="item">item 5</div>
  <div class="item">item 6</div>
  <div class="item">item 7</div>
  <div class="item">item 8</div>
  <div class="item">item 9</div>
</div>

CSS

body {
  background-color: #252A32;
}

.wrapper {
  display: grid;
  grid-gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  grid-auto-rows: minmax(20vw, auto);
 
}

.item {
  background-color: purple;
  color: #fff;
  text-align: center;
  border-radius: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
}