JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="child">
    
    </div>
    
    <div class="child">
    
    </div>
    
    <div class="child">
    
    </div>
    
    <div class="child">
    
    </div>
    
    <div class="child">
    
    </div>
    
    <div class="child">
    
    </div>
    
    <div class="child">
    
    </div>
    
    <div class="child">
    
    </div>
    
</div>

CSS

.container {
    margin: -10px 0 0 -10px;
}

.container .child {
    width: 100px;
    height: 100px;
    background: red;
    margin: 10px 0 0 10px;
    float: left;
}