JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li><img alt="img1" src="img1.jpg" /></li>
    <li><img alt="img2" src="img2.jpg" /></li>
    <li><img alt="img3" src="img3.jpg" /></li>
</ul>

CSS

li 
{ 
    display:block; 
    float:left; 
    margin:0;
    padding:0;
    background-color:Yellow;
    line-height: 0;
}