JSFiddle - React, Tailwind, and code Playground

HTML

<div class="loadbanner" id="member-home"><img class="img-responsive" src="newsimg/banner1810.jpg" /></div>

CSS

.loadbanner{padding:10px;background-color:#fff;border:1px solid #d8d8d8;
    width: 520px;
    height: 748px;
    position: fixed;
    right: -550px;
    top: 45px;
    -moz-box-shadow: 0 0 6px #000;
    -webkit-box-shadow: 0 0 6px #000;
    box-shadow: 0 0 6px #000;
    z-index: 200;
}

JavaScript

function loadbanner() {
    var $memberHome = $("#member-home");

    if ($memberHome.position().right < 0) {
        $memberHome.animate({ right: "0" }).delay(10000).animate({ right: "-550px" });
    }
    else {
        $memberHome.animate({ right: "0" }).delay(10000).animate({ right: "-550px" });
    }
    

}

$(document).ready(function() {
    loadbanner();
});