JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap">
  <img class="chaton" src="http://www.wanimo.com/veterinaire/images/articles/chat/chaton-gris.jpg" alt="">
  <img class="pdf" src="http://www.visual-integrity.com/wp-content/uploads/2016/02/pdf-page.png" alt="">
</div>

CSS

.wrap {
  position:relative;
  max-width:100%;
  display:inline-block;
}
.chaton {
  width:auto;
  max-width:100%;
}
.pdf {
  position:absolute;
  top:10%;
  right:10%;
  width:10%;
}