JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="nav">
    <li class="active"><a href="/">Home</a></li><!--
    --><li><a href="/about/">About</a></li><!--
    --><li><a href="/portfolio/">Portfolio</a></li><!--
    --><li><a href="/archives/">Archives</a></li><!--

    --><li><a href="/resources/">Resources</a></li><!--
    --><li><a href="/contact/">Contact</a></li><!--
--></ul>

CSS

body {
    margin: 0;
    padding: 0;
}
#nav {
    list-style:none;
    margin:0;
    padding:0;
    text-align:center;
    /* Border and Background */
    min-height:40px;
    background-color:#fafafa;
    background-image:-moz-linear-gradient(top, #fff, #f2f2f2);
    background-image:-webkit-gradient(linear, 0 0, 0 100%, from(#fff), to(#f2f2f2));
    background-image:-webkit-linear-gradient(top, #fff, #f2f2f2);
    background-image:-o-linear-gradient(top, #fff, #f2f2f2);
    background-image:linear-gradient(to bottom, #fff, #f2f2f2);
    background-repeat:repeat-x;
    border:1px solid #d4d4d4;
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffffff', endColorstr='#fff2f2f2', GradientType=0);
    *zoom:1;
    -webkit-box-shadow:0 1px 4px rgba(0, 0, 0, 0.065);
    -moz-box-shadow:0 1px 4px rgba(0, 0, 0, 0.065);
    box-shadow:0 1px 4px rgba(0, 0, 0, 0.065);
}
#nav li {
    display:inline;
}
#nav a {
    display:inline-block;
    padding: 10px;
    font-family:"Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size:14px;
    line-height:20px;
    color:#333;
    text-decoration:none;
    margin: 0 !important;
}
#nav li.active a, #nav li a:hover {
    color:#555;
    text-decoration:none;
    background-color:#e5e5e5;
    -webkit-box-shadow:inset 0 3px 8px rgba(0, 0, 0, 0.125);
    -moz-box-shadow:inset 0 3px 8px rgba(0, 0, 0, 0.125);
    box-shadow:inset 0 3px 8px rgba(0, 0, 0, 0.125);
}