JSFiddle - React, Tailwind, and code Playground

HTML

<div class="unselectable">
    <p>Here's a paragraph, try making a selection in it</p>
    <p>Here's another paragraph, try making a selection in it</p>
    <p>Here's one more paragraph, try making a selection in it</p>
</div>

CSS

*.unselectable {
    -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}