JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
    <head>
        <title>bla</title>
        <meta charset="utf-8">
    </head>
    <body>
<input type="email" placeholder="[email protected]">
    </body>
</html>

CSS

input {
    background: yellow;
    color: #000;
}

input::-webkit-input-placeholder {
    color:    hotpink;
}
input:-moz-placeholder {
    color:    hotpink;
}