JSFiddle - React, Tailwind, and code Playground
HTML
<ol class="list-inline">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ol>
CSS
.list-inline {
display: block;
list-style: none;
width: 100%;
}
.list-inline li {
background: black;
display: inline-block;
height: 0;
padding-top: 10%;
width: 10%;
}
.list-inline li:nth-of-type(n+4):nth-of-type(-n+8) {
background: blue;
}