JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="left">
    <img src="https://placehold.it/400x900" alt="">
  </div>
  <div class="right">
    <img src="https://placehold.it/500x400" alt="">
    <img src="https://placehold.it/500x400" alt="">
  </div>
</div>

CSS

img {
  margin-bottom: 16px;
  max-width: 100%
}

.container {
  width: 700px; /* Container width is fixed */
  display: flex;
}

.left {
   width: 52%;
   margin-right: 16px;
}

.right {
  display: flex;
  flex-grow: 1;
  flex-direction: column
}