JSFiddle - React, Tailwind, and code Playground

HTML

<div class="banner">
  <div class="boton">
    Soy un botĂłn
  </div>
</div>

CSS

.banner{
  width:80%;
  height:150px;
  position:relative;
  margin:0 auto;
  background:red;
}
.banner > .boton{
  border-radius:20px;
  background:#fff;
  padding:10px;
  position:absolute;
  z-index:1;
  top:50%;
  right:10%;
}