<div class="grid">
<div class="item">all available space</div>
  <div class="item">As wide as its content</div>
  <div class="item">all available space</div>
  

</div>

.grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: auto 1fr;
  font-size: 2.2rem;
  text-align: center;
  height: 100vh;
  grid-gap: 10px;
}

.item {
  background-color: pink;
  border-radius: 10px;
  
}

div:nth-child(1) {
  grid-row-end: span 2;
}

div:nth-child(3) {
  grid-row-end: span 2;
}