JSFiddle - React, Tailwind, and code Playground

HTML

<div>
   <span><input type="text" value=" the input value "/></span>
   <span><button> A button</button></span>
</div>

CSS

/* reset */
    input,button { margin:0;padding:0;border:0;font-family: inherit; font-size: inherit;line-height:1em }
    
    /* apply some style */
    input,button { padding:.5em; }
    input { background-color:#fff; }
    button { background-color:#333; color:#fff; }
    
    /* for display example */
    body { padding:3em; font-size:2em; }
    div { background-color:#ccc; padding:.5em }