JSFiddle - React, Tailwind, and code Playground

HTML

<div class = "grid">
     <div class="flex">
  		<h1>Anchor To Top?</h1>
      <div>item</div>
      <div>item</div>
      <div>item</div>
      <div>item</div>
      <div>item</div>
   </div>
   
   <div class = "other-grid-item">
   Other grid item
   </div>
  </div>

CSS

.grid{
  display: grid;
  grid-template-columns: 1fr 2fr;
  height: 100vh;
}
.flex{
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: blue;
}
.other-grid-item{
  background-color: yellow;
}