JSFiddle - React, Tailwind, and code Playground

HTML

<button class="btn-secondmenu">Button</button>

JavaScript

$(".btn-secondmenu").css('background-color', localStorage.getItem(".btn-secondmenu"));
$(".btn-secondmenu").click(function () {
    $(this).css('background-color', 'red');
    var status = $(".btn-secondmenu").css('background-color');
    localStorage.setItem(".btn-secondmenu", status);
});