JSFiddle - React, Tailwind, and code Playground

HTML

<table border="1">
<tr>
  <td witdh="50%"> Olá
    
  </td>
  <td witdh="50%">
   Teste
<div class="float"></div>
<div class="block-sibling">
  Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec a diam lectus. Sed sit amet ipsum mauris. Maecenas congue ligula ac quam viverra nec consectetur ante hendrerit. Donec et mollis dolor. Praesent et diam eget libero egestas mattis sit amet vitae augue. Nam tincidunt congue enim, ut porta lorem lacinia consectetur. Donec ut libero sed arcu vehicula ultricies a non tortor.
</div>
  </td>
</tr>
</table>

CSS

html {
  width: 550px;
  border: 1px solid;
}
body {
  font-family: sans-serif;
  color: rgba(0,0,0,.15);
}
body:after {
  content: '';
  display: block;
  clear: both;
}
diva {
  position: relative;
}
diva:after {
  font-size: 200%;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  text-align: center;
}
.block-sibling {
  border: 3px solid green;
}
.block-sibling:after {
  content: 'Block sibling';
  color: green;
}
.float {
  float: right;
  border: 5px solid red;
  height: 90px;
  width: 150px;
  z-index: 100;
  position: relative;
}
.float:after {
  content: 'Float';
  color: red;
}