JSFiddle - React, Tailwind, and code Playground

HTML

<div class="my-block">    
   <div class="inner">
    WORD1<br/>
    WORDWORDWORDWORD2
   </div>   
</div>

CSS

html {height: 100%;}

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

.my-block {
    height:100%;
    display: table;
    width:350px;
    background-color:brown;
    margin: auto;
}
.inner {  
    display: table-cell;
    vertical-align: middle;
    width: 100%;
    text-align:center;
}