JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li></li>
    <li></li>
    <li class="img"></li>        
    <li></li>
    <li class="img"></li>        
    <li class="img"></li>        
    <li></li>
</ul>

CSS

ul {
 list-style-type: none;   
}

li {
    background-color: red;
    margin: 5px;
    width: 30px;
    height: 30px;
    float: left;
}

li.img ~ li.img {
    background-color: blue;
}