JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.css" />
<script src="http://code.jquery.com/jquery-1.8.1.min.js"></script>
<script    src="http://code.jquery.com/mobile/1.2.0/jquery.mobile-1.2.0.min.js"></script>

</head>

<body>
    <!-- Home Page-->
    <div data-role="page" id="home">
        <div data-role="header" data-position="fixed" data-id="myheader">
            <h1>Popup Test</h1>
        </div>
        <!-- /header -->
        <div data-role="content">
            <ul data-role="listview">
                <li>
                    <h3>Colors</h3>
                    <p>Fresh colors from the magic rainbow.</p>
                    <ul>
                        <li>Blue
                            <p class="edit">
                                <a href="#" onclick="openEditMenu()" data-role="button"
                                    data-icon="gear" data-inline="true" data-iconpos="notext">Edit</a>
                            </p>
                        </li>
                        <li>Green
                            <p class="edit">
                                <a href="#" onclick="openEditMenu()" data-role="button"
                                    data-icon="gear" data-inline="true" data-iconpos="notext">Edit</a>
                            </p>
                        </li>
                        <li>Orange</li>
                        <li>Purple</li>
                    </ul>
                </li>
                <li><h3>Item</h3>
                    <p class="edit">
                        <a href="#" onclick="openEditMenu()" data-role="button"
                            data-icon="gear" data-inline="true" data-iconpos="notext">Edit</a>
                    </p></li>
            </ul>
        </div>
        <div data-role="popup" id="popupMenu" data-theme="a">
            <ul data-role="listview" data-inset="true" style="min-width: 210px;"
               ...

CSS

.ui-li .edit {
    position: absolute;
    top: 50%;
    margin-top: -20px;
    right: 0px;
}