JSFiddle - React, Tailwind, and code Playground
HTML
<div class="fluid_center">
<img src="http://www.ledr.com/colours/blue.jpg" width="300" height="400">
<img src="http://www.ledr.com/colours/red.jpg" width="300" height="100">
<img src="http://www.ledr.com/colours/yellow.jpg" width="300" height="300">
</div>
<!--So ist es nicht mehr fluid-->
<div class="fluid_center">
<div><img src="http://www.ledr.com/colours/blue.jpg" width="300" height="400"></div>
<div><img src="http://www.ledr.com/colours/red.jpg" width="300" height="100"></div>
<div><img src="http://www.ledr.com/colours/yellow.jpg" width="300" height="300"></div>
</div>
CSS
/* MAIN CONTENT POSITIONING */
.fluid_center {
margin:0 auto;
text-align:center;
padding-left:5px;
padding-top:5px;
padding-right:5px;
padding-bottom:5px;
}