JSFiddle - React, Tailwind, and code Playground

HTML

<div class="header_Icons_Main">Header Icon 1</div>
<div class="header_Icons_Main">Header Icon 2</div>

CSS

.header_Icons_Main {
    color:#000;
}

.header_Icons_Main:hover,
.header_Icons_Main.hover {
    color:#f00;
}

JavaScript

$(document).ready(function(){
    function setHover() {
        $('.header_Icons_Main').addClass('hover');
    }
    function removeHover() {
        $('.header_Icons_Main').removeClass('hover');
    }
    setTimeout(setHover, 1000);
    setTimeout(removeHover, 2000);
});