JSFiddle - React, Tailwind, and code Playground

HTML

<div class="mydiv-centerer">
    <div class="mydiv">Some content</div><br />
    <div class="mydiv">More content than before</div><br />
    <div class="mydiv">Here is a lot of content that I was not anticipating</div>    
</div>

CSS

.mydiv-centerer{
    text-align: center;
}

.mydiv{
    background: none no-repeat scroll 0 0 rgba(1, 56, 110, 0.7);
    border-radius: 10px 10px 10px 10px;
    box-shadow: 0 0 5px #0099FF;
    color: white;
    margin: 10px auto;
    padding: 10px;
    text-align: justify;
    display:inline-block;
}