JSFiddle - React, Tailwind, and code Playground

HTML

<div id="elems">
    <p class="el">lorem ipsum dolor amet...</p>
    <p class="el">lorem ipsum dolor amet...</p>
    <p class="el cero">lorem ipsum dolor amet...</p>
    <p class="el">lorem ipsum dolor amet...</p>
    <p class="el">lorem ipsum dolor amet...</p>
    <p class="el cero">lorem ipsum dolor amet...</p>
</div>

CSS

*{outline:1px solid cyan;}
#elems{
    width:380px;  /* (100 + 20 + 10) * 3 - 10  */
    overflow:hidden;
    background:gray;
}
.el{
    background:gray;
    float: left;
    width: 100px; 
    padding:10px;
    margin:0 10px 0 0; /* right y bottom */
}

.cero{
    margin:0; 
}