JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="left flex top">TOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFFTOP<br>STUFF</div>
  <div class="center flex middle">MIDDLE</div>
</div>

SCSS

body,
html {
  height: 100%;
  padding: 0;
  margin: 0;
}

.middle {
      align-self: flex-start;
}

.container {
  min-height: 100%;
  background: #fff;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.container > div {
    border: 1px solid red;
    width: 100%;
}

.top {
  align-self: flex-start;
}