<div class="wrap">
  <div class="item"></div>
  <div class="item"></div>
</div>

* {
  box-sizing: border-box;
}
.wrap {
  height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-column-gap: 40px;
  padding: 20px;
  align-items: center;
}
.item {
  height: 100px;
  background: #000;
}