JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="menu">
    <li>Services</li>
    <li>Our Doctors</li>
    <li>Forms</li>
    <li>News</li>
    <li>Billing</li>
    <li>Contact</li>
    <li class="last">Support Staff</li>
</ul>

CSS

ul {
    background-color: #3CB887;
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
    font-weight: bold;
}
ul li {
    background-color: #00824B;
    display: inline-block;
    margin: 0;
    padding: 5px 10px;
}
ul li.last {
    background-color: transparent;
}