JSFiddle - React, Tailwind, and code Playground

HTML

<input id="searchput" type="text">
<div>
HELLO
</div>

CSS

#searchput {
  display:none;
}

.cfse_a {
    border: 1px solid #f00;
    background:black;
    display:block;
}

JavaScript

$('div').hover(function() {
  $('#searchput').toggleClass('cfse_a');
})