JSFiddle - React, Tailwind, and code Playground

HTML

<div class="group">
    <div class="element">Test</div>
    <div class="element">Test</div>
    <div class="element">Test</div>
    <div class="element">Test</div>
</div>

<div class="group">
    <div class="element">Test</div>
    <div class="element">Test</div>
    <div class="element">Test</div>
    <div class="element">Test</div>
</div>

<div class="group">
    <div class="element">Test</div>
    <div class="element">Test</div>
    <div class="element">Test</div>
    <div class="element">Test</div>
</div>

SCSS

.group {
        .element:first-child {
            color: red;
        }
    }