JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://semantic-ui.com/build/packaged/javascript/semantic.js"></script>
<link rel="stylesheet" href="http://semantic-ui.com/build/packaged/css/semantic.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/noisy/1.1.1/jquery.noisy.min.js"></script>
<div class="ui red segment">
    <h4 class="ui header red">Current:</h4>
    
    <header class="ui top attached small header">Top</header>
    <figure class="ui bottom attached blue message">Lorem ipsum.</figure>
    
    <a class="ui button">Button</a>
</div>

<div class="ui green segment" id="fix">
    <h4 class="ui header green">Fixed:</h4>

    <header class="ui top attached small header">Top</header>
    <figure class="ui bottom attached blue message">Lorem ipsum.</figure>
    
    <a class="ui button">Button</a>
</div>

<p class="ui success message">
    <i class="question icon"></i>
    Notice the added margin after the blue message.
</p>

CSS

html, body {
    height: 100%;
}
html, body {
    font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
}

#fix .ui.bottom.attached.message:not(:last-child)
{
  margin-bottom: 1em;
}