JSFiddle - React, Tailwind, and code Playground

HTML

<div class="header">
    <ul class="navigation">
        <li id="dashboard" class="active"> <a href="#"><span></span>Dashboard</a>

        </li>
        <li id="vs"><a href="#"><span></span>Vs</a>

        </li>
        <li id="cs"><a href="#"><span></span>Cs</a>

        </li>
        <li id="cy"><a href="#"><span></span>Cy</a>

        </li>
        <li id="at"><a href="#"><span></span>At</a>

        </li>
    </ul>
</div>

CSS

/* 1.0 Resets
************************************/
 * {
    margin:0;
    padding:0;
}
html, body {
    height:100%;
    max-height:100%;
}
body {
    font-family:"Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 13px;
    background-color: white;
}
ul {
    font-size:0;
}
ul, li {
    padding: 0;
}
li {
    list-style:none;
    font-size:0;
}
a {
    text-decoration:none;
}
.header {
    background-color:#34495E;
    height: 60px;
}
.logo {
    height:50px;
    margin-bottom:30px;
}
.navigation li {
    display: inline-block;
}
.navigation li a {
    display: block;
    height:60px;
    line-height:60px;
    color: #fff;
    font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size:14px;
    padding-left: 30px;
    padding-right: 30px;
}
.navigation li a:hover, .navigation li.active a {
    background-color:#495C6D;
    color:#FFF;
}