JSFiddle - React, Tailwind, and code Playground

HTML

<button>
    <span class="button-0">text</span>
    <span class="button-1">text</span>
    <span class="button-2">text</span>
    <span class="this-is-my-button-class">not this</span>
</button>

CSS

button [class^="button-"],
button [class*=" button-"] {
  color: red;
}