JSFiddle - React, Tailwind, and code Playground
HTML
<p>Normal flow:</p>
<div class="normal"> </div>
<div class="moved"> </div>
<div class="normal"> </div>
<p>With position:relative:</p>
<div class="normal"> </div>
<div class="moved relative"> </div>
<div class="normal"> </div>CSS
p {margin:1em 0}
.normal {background-color:#0F0}
.moved {background-color:#0FF; margin:1ex 0 -1ex 1em;}
.relative {position:relative;}