JSFiddle - React, Tailwind, and code Playground

HTML

<div class="lava-nav texture-drk-red">
    <ul class="nav nav-horizontal clearfix stitch-left-x stitch-right-x">
        <li class="stitch-left stitch-right clearfix active"><a href="#">Link1</a></li>
        <li class="stitch-left stitch-right clearfix"><a href="#">link2</a></li>
        <li class="stitch-left stitch-right clearfix"><a href="#">link3</a></li>
    </ul>
</div>

CSS

/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
    display: block;
}
body {
    line-height: 1;
}
ol, ul {
    list-style: none;
}
blockquote, q {
    quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
    content: '';
    content: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
.clearfix
{
    display: block;
}
.clearfix::after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

/* Navigation */

.lava-nav
{
    position:relative;
    display:block;
    padding: 0px 30px;
}
.lava-nav:before, .lava-nav:after
{
    background:rgba(0,0,0,0.3);
    content:"";
    position:absolute;
    top:0px;
    left:0px;
    right:0px;
    height:4px;
    z-index:20;
}
.lava-nav:after
{
    top:auto;
    bottom:0px;
}

ul.nav
{
    display:inline-block;
}
ul.nav li
{
    float:left;
    margin-bottom:-2px;
    position:relative;
}
ul.nav li a
{
    display:inline-block;
    color:#efc6bc;
    text-decoration:none;
    line-height:40px;
    font-family:'Courier New';
    font-size:12px;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
    padding:0px 15px;
}
ul.nav li:hover a, ul.nav li.active...