JSFiddle - React, Tailwind, and code Playground

HTML

<header class="header">
    <div class="container">
        <div class="header-primary_container">
            <div class="header_brand"> <a href="#"><img class="site_brand" /></a>

            </div>
            <div class="navigation-primary_right">
                <div class="navigation-primary">
                    <nav class="navigation-primary_links">	<a href="" class="nav_icon selected">Home</a>
	<a href="" class="nav_icon">Designs</a>
	<a href="" class="nav_icon">About Us</a>

                    </nav>
                </div>
            </div>
        </div>
    </div>
</header>
<div id="sub_nav"></div>

CSS

body {
    margin: 0;
    padding: 0;
}
.header {
    height: 55px;
    background: #1f90ba;
    padding: 5px 0 5px 0;
}
.container {
    margin: 0 auto;
    width: 940px;
}
.header_brand {
    position: absolute;
}
.site_brand {
    z-index: 999;
    display: inline-block;
    background: #000;
    opacity: 0.3;
    -webkit-transition: opacity 0.5s ease-in;
    -moz-transition: opacity 0.5s ease-in;
    -o-transition: opacity 0.5s ease-in;
    -ms-transition: opacity 0.5s ease-in;
    transition: opacity 0.5s ease-in;
    height: 51px;
    width: 264px;
}
.site_brand:hover {
    opacity: 1;
}
#sub_nav {
    height: 20px;
    background: #26afe1;
    padding: 5px 0 5px 0;
}
.navigation-primary_right {
    text-align: right;
    position: relative;
}
.navigation-primary_links {
    z-index: 1;
    padding-top: 15px;
    position: relative;
    text-align: left;
    display: inline-block;
    white-space: nowrap;
}
.nav_icon {
    padding: 10px;
    border-radius: 5px;
    font: 12px Verdana;
    text-decoration: none;
    color: white;
    font-weight: bold;
    -webkit-transition: background 0.1s ease-in;
    -moz-transition: background 0.1s ease-in;
    -o-transition: background 0.1s ease-in;
    -ms-transition: background 0.1s ease-in;
    transition: background 0.1s ease-in;
}
.nav_icon:hover {
    background: #26afe1;
}
.navigation-primary {
    display: inline-block;
    margin-right: 20px;
    position: relative;
}
.selected {
    background: #26afe1;
}