JSFiddle - React, Tailwind, and code Playground

HTML

<div class="images">
<img src="http://cs7003.vk.me/c540103/v540103823/276c8/Q2iWctIsF60.jpg" alt="ct" class="left">
<img src="http://cs7003.vk.me/c540103/v540103823/276cf/9XnLKlpyEzk.jpg" alt="ct" class="right">
<img src="http://cs7003.vk.me/c540103/v540103823/276d6/-oeMxtWB-rE.jpg" alt="ct" class="left">
<img src="http://cs7003.vk.me/c540103/v540103823/276dd/QFrFDHff-M4.jpg" alt="ct" class="right">
    
    </div>

CSS

.images {
    -webkit-column-count: 2;
    -moz-column-count: 2;
    column-count: 2;

    -webkit-column-gap: 20;
    -moz-column-gap: 20;
    column-gap: 20;
}

img {
    width: 100%;
    display: inline-block;
    vertical-align: top;
    margin-bottom: 20px;
}