JSFiddle - React, Tailwind, and code Playground

HTML

<div id="holder">
    <div id="header">
        <h1>Davi Andrade</h1>
        <nav>
            <ul>
                <li><a href="/">About</a></li>
                <li><a href="/">Portfolio</a></li>
                <li><a href="/">Downloads</a></li>
                <li><a href="index.html">Home</a></li>
            </ul>
        </nav>
    </div>
    <div id="content">
        Text
    </div>
    <div id="footer">
        Footer!    
    </div>
</div>

CSS

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: #3e3e3e;
    font-family: "Segoe UI", "Lucida Grande", sans-serif;
}

#header {
    background: #333333;
    overflow: hidden;
}

h1 {
    float: left;
    font-family: Megrim;
    text-transform: uppercase;
    font-size: 36px;
    margin: 18px 52px 18px 52px;
    color: #b6b6b6;
    text-shadow: 0 0 3px rgba(0, 18, 255, 0.8), 0 1px 2px rgba(0, 0, 0, 0.5);
}

nav li a {
    font-size: 1.3em;
    display: block;
    padding: 24px 48px 24px 0;
    float: right;
    color: white;
    list-style: none;
    text-decoration: none;
}

#content {
    box-shadow: 0 -2px 3px rgba(0,0,0,0.35), 0 -1px 0 rgba(255,255,255,0.3);
    padding-bottom: 50px;
}

#holder {
    min-height: 100%
    position: relative;    
}

#footer {
    background: #333333;
    bottom: 0;
    color: #fff;
    height: 50px;
    left: 0;
    text-align: center;
    width: 100%;
    position: absolute;
}