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

* {
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background: #eee;
  width: 100%;
  display: grid;
  grid-template-rows: 60px;
  grid-template-columns: minmax(auto, 150px) 100px 50px;
}

.item {
  background: #fff;
  border-radius: 12px;
  border: 2px solid #222;
}