s<div class="wrapper">
  <div class="box1">One</div>
  <div class="box2">Two</div>
  <div class="box3">Three</div>
  <div class="box4">Four</div>
  <div class="box5">Five</div>
  <div class="box6">Six</div>
</div>

.wrapper > div {
  border-radius: 5px;
  background-color: rgb(207 232 220);
  padding: 1em;
}
.wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 100px 100px;
  gap: 10px;
}