JSFiddle - React, Tailwind, and code Playground

HTML

<div class="bubble">
    <p>blablabla</p>
</div>

CSS

.bubble { 
  position: absolute; 
  background: #cccccc;
  width: 135px; 
  height: 84px; 
  display: table; 
}

.bubble p {
  display: table-cell; 
  vertical-align: middle; 
  text-align: center; 
}