JSFiddle - React, Tailwind, and code Playground

HTML

<div class=blue>header here</div>
<p>LOGO here</p>
<div class="blue">navigation bar here</div>
  <div class="content">
No content.
  </div>
<div class="footer">footer is here</div>

CSS

.blue {
    color: #ffffff;   
    background-color: #294a70;
    display: block;
    float: none;
    width: 400px;
    margin: 0 auto;
    text-align: center;
}
p {
   text-align: center;
   color: #ffffff;
   }
.content {
    background-color: #e6e6e6;
    display: block;
    float: none;
    margin: 0 auto;
    overflow:hidden;
    width:400px;
    min-height: calc(100vh - 121px);
}
.footer {
    color: #ffffff;   
    background-color: #294a70;
    display: block;
    float: none;
    width: 400px;
    margin: 0 auto;
    text-align: center;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height:30px;
}
body {
    margin:0;
    padding:0;
    font-family: 'Open Sans', sans-serif;
    line-height: 1.5;
    font-size: 14px;
    overflow-x:hidden;
    background-image:url('http://www.planwallpaper.com/static/images/Alien_Ink_2560X1600_Abstract_Background_1.jpg');
    min-height: 100%;
}
html {
    position:relative;
    min-height: 100%;
}