JSFiddle - React, Tailwind, and code Playground

HTML

<form target="dein_iframe" action="http://www.tripadvisor.at/Search">
    <input name="q" value="">
    <button>Suchen</button>
</form>
    
<iframe id="dein_iframe" width="100%" height="400">

CSS

* {margin:0;padding:0;}