JSFiddle - React, Tailwind, and code Playground

HTML

<textarea>Lorem Ipsum dolor sit atem</textarea>
<input type="text" value="Lorem Ipsum dolor sit atem" />
<p>Lorem Ipsum dolor sit atem</p>

CSS

::-moz-selection {
    background: black;
    color: white;
}

::-webkit-selection {
    background: black;
    color: white;
}

::selection {
    background: black;
    color: white;
}