JSFiddle - React, Tailwind, and code Playground

HTML

<div class="name1">Name1</div><br>

<div class="name2">Name2</div><br>

<div class="name1 name2">Name1 & Name2</div>

CSS

.name1 {
    color: red;
}

.name2 {
    background: #ddd;
}