JSFiddle - React, Tailwind, and code Playground

HTML

<a href="" title="Design" class="reMode_design  reMode_hover">
    <span>Design</span>
</a>

<a href="" title="Design" class="reMode_design  reMode_hover reMode_selected">
    <span>Design</span>
</a>

JavaScript

$(".reMode_hover").not(".reMode_selected").on("mouseenter", function () {
    $(this).css("background-color", "#f0ac00");
});
$(".reMode_hover").not(".reMode_selected").on("mouseleave", function () {
    $(this).css("background-color", "inherit");
});